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Free.Get all the latest Pasadena news, more than 10 fresh stories daily, 7 days a week at 7 a.m. More Cool Stuff Name (required) Mail (required) (not be published) Website Business News faithfernandez More » ShareTweetShare on Google+Pin on PinterestSend with WhatsApp,Virtual Schools PasadenaHomes Solve Community/Gov/Pub SafetyCitizen Service CenterPASADENA EVENTS & ACTIVITIES CALENDARClick here for Movie Showtimes Subscribe Community News Caltech professor Mark Simons installs GPS instrumentation on a glacier in Iceland. Photo Credit: Brent Minchew.Mark Simons, professor of geophysics at Caltech, along with graduate student Brent Minchew, recently logged over 40 hours of flight time mapping the surface of Iceland’s glaciers. Flying over two comparatively small ice caps, HofsjÃ¶kull and LangjÃ¶kull, they traveled with NASA pilots and engineers in a retrofitted Gulfstream III business jet, crisscrossing the glaciers numerous times. Using a radar instrument designed at the Jet Propulsion Laboratory (JPL) and mounted on the underbelly of the plane, they imaged the surface of the glaciers, obtaining precise data on the velocity at which these rivers of ice flow downstream.Following a set of test flights in Iceland in 2009, Simons and Minchew went to Iceland in June 2012 to systematically image the two ice caps at the beginning of the summer melt season. They have just returned from a February 2014 expedition aimed at setting a baseline for glacier velocityâ€”during the winter freeze, meltwater should not play as significant a role in glacier dynamics. They sat down recently to discuss the science and the adventure of monitoring Iceland’s glaciers.Why go to Iceland to study glaciers?Mark Simons: Iceland is an ideal natural laboratory. The glaciers there are small enough that you can do detailed measurements of them, and afterward you can process the data and analyze each ice cap in its entirety without needing overwhelming computer resources. This manageable scale lets us explore a wide range of models. Glaciers in Greenland or Antarctica are far too big for that. Logistics are also a lot easier in Iceland. We can drive up to the glaciers in just a few hours from downtown Reykjavik.Most importantly, the Icelanders have a long history of studying these ice caps. In particular, they have nearly complete maps of the ice-bedrock interface. We can complement this information with continuous maps of the daily movement or strain of the glacier surface as well as maps of the topography of the glacier surface. These data are then combined to constrain models of glacier dynamics.How can you map bedrock that is under hundreds of feet of ice?Brent Minchew: Our collaborators at the University of Iceland have been doing this work for decades. Helgi BjÃ¶rnsson and Finnur PÃ¡lsson mapped the subglacial bedrock by dragging long radar antennas behind snowmobiles driven over the glaciers. They use long-wavelength radar that penetrates through the ice to the underlying bedrock. By looking at the reflection of the radar signals, they can estimate where the interface is between ice and bedrock. They are expert at studying the cryosphereâ€”the earth’s frozen regions, including ice caps, glaciers, and sea iceâ€”as you might expect given their location so far north of the equator.Is this similar to the radar you use in your airplane flights over Iceland’s glaciers?Simons: It’s a similar principle. Radar is an active imaging system, so unlike optical observations, where you’re just looking at the reflected light from the sun, we’re actually illuminating the surface like a flashlight, but using radar instead.Was this radar technology developed specifically for imaging glaciers?Minchew: No. The technique we use, InSAR [Interferometric Synthetic Aperture Radar], has been available since the mid-1990s. It has revolutionized a number of disciplines in the earth sciences, including glaciology. The system we are using in Iceland is truly state-of-the-art. It enables complete control over where and when we collect data, and it returns images with millions of independent pixels. It’s a very rich data source.Simons: Actually, the exact same airplane we use in Iceland to study glaciers is also used to measure motion above restless volcanoes due to changes in magma pressure or along major seismically active faults such as the San Andreas fault. Repeated radar imaging can show us the parts of the fault that are stuckâ€”those are the places that will generate earthquakes every so oftenâ€”and the other parts that are steadily creeping year after year. Basically, we’re bringing our experience from earthquake physics, both in terms of observation and modeling, to see if it can help us address important problems in glaciology.Are there other methods besides radar for studying glacier dynamics?Minchew: We can drill to the bed and take direct measurements, but a lot of effort is involved in this. Compared to Greenland, where the ice is close to a mile thick, or Antarctica, where it is even thicker, Iceland’s glaciers are relatively thin. But they’re still on average 300 meters thick. That’s a long way to drill down for one data point.Simons: Traditionally people measured velocities of glaciers by putting stakes in the glacier, and then returning to see how far downstream those stakes had moved by the end of the melting season. This approach can give an average velocity over the season. We still utilize this principle by installing GPS units at various spots on the glacier. These GPS units also help us calibrate our radar-based measurements and confirm that our velocity estimates are accurate.What advantages does radar have over these other methods?Simons: One of the wonderful things about radar imaging, unlike optical imaging, is that we can “see” the glacier whether it’s day or night, whether it’s cloudy or clear.Minchew: Right. Another major advantage of radar technology is that we don’t just see the average velocity for the season; we can detect short-term dynamics and variability over the entire glacier if the imaging is done sufficiently often.How exactly does radar work to image the ice cap?Simons: Radar images are usually taken at oblique angles to the surface of the earth, not straight down in a perpendicular line. Given two radar images taken from nearly identical positions but at different times, we can combine them in such a way as to measure changes in ground position that occurred in the intervening period along the oblique direction of the transmitted energy. We quantify these displacements in terms of fractions of a radar wavelength. This process is called repeat pass interferometry. We design the plane’s flight path to make several interferometric measurements from different viewing angles, in order that the surface of the glacier is imaged at least three times and often as many as six times. We then combine these different perspectives to create accurate 3-D maps of the surface velocity of the glaciers, detecting its underlying east, north, and up components.How can you be so precise in your measurements from that high up in the air?Simons: The altitude itself isn’t a problem. The trick is making certain the plane is at the same absolute position over consecutive flights. We owe this precision to engineers at NASA/JPL; it has nothing to do with us down here at Caltech. They have developed the technology to fly this plane at 40,000 feet, at 450 miles per hour, and then to come back an hour later, a day later, or a year later, and fly that exact same path in coordinates relative to the ground. Essentially they are flying in a “virtual tube” in the air that’s less than 10 meters in diameter. That’s how accurate it is.Minchew: Of course even within this virtual tube, the plane moves around; that’s what aircraft do. But aircraft motion has a characteristic appearance in the data, and it’s possible for us to remove this effect. It never ceases to amaze me that we can get centimeter-scale, even millimeter-scale accuracy from an airplane. But we can do it, and it works beautifully.What was the motivation for JPL and NASA to develop this radar technology in the first place?Simons: Part of what NASA has been doing with airborne radar technology is prototyping what they want to do with radar from satellites, and to understand the characteristics of this kind of measurement for different scientific targets. The instrument is called UAVSAR, for Uninhabited Aerial Vehicle Synthetic Aperture Radar. Right now it’s clearly not uninhabited because the radar is on a plane with pilots and engineers on board. But the idea is that eventually we could do these radar measurements from a drone that would stay aloft making observations for a day or a day and a half at a stretch. We can also use satellites to make the same type of measurements.Minchew: In ways, satellites are an easier platform for radar measurements. In space, there aren’t a whole lot of dramatic perturbations to their motions; they fly a very steady path. But one advantage of an airborne platform is that we can collect data more frequently. We can sample the glacier surface every 24 hours if we wish. Satellites typically sample on the order of once a week to every several weeks.What do you hope to learn from observing glacier dynamics in Iceland?Simons: We want to use measurements of the ice cap to explore what is happening at the bottom of the glacier. We already know from the previous campaign in 2012 that over half of the movement measured in the early summer is associated with sliding at the bed rather than deformation of the ice. In the early part of the melt season, water gets down to the bottom of the glacier and doesn’t have anywhere to go, so it increases the pressure at the bottom. It ends up reducing the friction so the glacier can flow faster over the bedrock. At some point there’s so much water flow that it starts to make tunnels in the ice, and then the glacier drains more efficiently. But then the tunnels will collapse on themselves, and the whole glacier settles back down, compacting on itself. The glacier actually slides faster in the early part of the melt season than later in the melt season.Minchew: The thing that propels glaciers is simply gravity. Ice is a viscous fluid, like honey. Very cold honey. Once it warms up and begins to melt slightly, the dynamics change tremendously. That’s something we can observe in Icelandâ€”unlike in Antarcticaâ€”where temperatures regularly go above the freezing point in summer. In Iceland, we think almost all the meltwater at the bed comes from surface melting. Geothermal heating from the earth and frictional heating from the sliding itself can also contribute to melting in Iceland’s glaciers. These are the main sources of melting in Antarctica. But geothermal and frictional heating don’t have anything to do with climate change nor should they vary with the seasons in the way that meltwater does.Is climate change the major reason why you’re studying glaciers?Minchew: No, I just like cold and inhospitable places. Seriously, I was drawn to the field work aspect of geophysics, the opportunity to go to places in the world that are for the most part the way nature intends them to be. I’m also drawn to glaciers because they are fascinating and surprisingly complex physical systems. A number of fundamental problems in glaciology remain unsolved, so there is tremendous potential for discovery in this field. But helping to understand the potential effects of climate change is an obvious application of our work. People are much more interested in glaciers now as a result of climate change. One of the glaciologists at the University of Iceland likes to say, “We’ve turned a very cold subject into a hot one.”Simons: Iceland is actually a very good place to learn about how glaciers will react to climate change. We can watch these glaciers on a seasonal basis and see how they respond to temperature variation rather than trying to compare the behavior of those glaciers in Antarctica that have yet to experience surface melting to what we think their behavior might be 50 years from now. But for me, glaciology has always been interesting in itself. My job is to study the mechanics of the earth and how it deforms. And the cryosphere is just as much a part of that as the crust.Simons’s initial exploratory campaign on Iceland’s glaciers was partially supported by the Terrestrial Hazard Observation and Reporting (THOR) Center at Caltech, funded by an endowed gift from Foster and Coco Stanback. Current efforts are supported by NASA. Make a comment Science and Technology Airborne Over Iceland: Charting Glacier Dynamics By CYNTHIA ELLER Published on Friday, March 14, 2014 | 11:35 am First Heatwave Expected Next Week HerbeautyWhat Is It That Actually Makes French Women So Admirable?HerbeautyHerbeautyHerbeautyGained Back All The Weight You Lost?HerbeautyHerbeautyHerbeauty6 Strong Female TV Characters Who Deserve To Have A SpinoffHerbeautyHerbeautyHerbeautyA Mental Health Chatbot Which Helps People With DepressionHerbeautyHerbeautyHerbeautyAt 9 Years Old, This Young Girl Dazzled The World Of FashionHerbeautyHerbeautyHerbeautyStop Eating Read Meat (Before It’s Too Late)HerbeautyHerbeauty Home of the Week: Unique Pasadena Home Located on Madeline Drive, Pasadena
News ESB strike would be out of proportion – Energy Minister WhatsApp Google+ Twitter Further drop in people receiving PUP in Donegal 75 positive cases of Covid confirmed in North Main Evening News, Sport and Obituaries Tuesday May 25th Twitter Facebook Man arrested on suspicion of drugs and criminal property offences in Derry By News Highland – December 6, 2013 RELATED ARTICLESMORE FROM AUTHOR Pinterest Facebook Pinterest Google+ Previous articleDonegal Deputy comes under fire on Tonight with Vincent Browne over remarks regarding Smithwick reportNext articlePadraig MacLochlainn claims he was ‘stitched-up’ on Tonight with Vincent Browne News Highland The Energy Minister says any strike by staff at ESB would be “out of proportion” with the scale of the pension dispute at the company.Pat Rabbitte last night asked the Labour Relations Commission (LRC) to intervene in a final effort to avert strike action and power outages in the run-up to Christmas.Both sides will begin talks at the LRC today but all negotiations so far have failed to resolve the row over the 1.6 billion euro hole in the company’s pension fund.Energy and Communications Minister Pat Rabbitte says any disruption of the country’s electricity supply would be a step too far.”In the nature of things – and if the regulator’s yardstick is that the scheme will be back in surplus by 2018, and nobody in the interim suffers any diminution of pension entitlements – then it seems to me there’s plenty of time to deal with any related…issues” he said.The threat of even a temporary stoppage of one hour is out of proportion” he added. WhatsApp 365 additional cases of Covid-19 in Republic Gardai continue to investigate Kilmacrennan fire
Zooplankton was sampled with RMT (1+8) gear on a synoptic grid of stations centred on South Georgia during the austral summer (November/December 1981) and winter (July/August 1983). This initial paper compares zooplankton biomass, vertical distribution and species composition from RMT 1 catches in the oceanic portion of the grid (water depth greater than 2000 m) during the two surveys. In the winter survey, mean zooplankton biomass within the top 1000 m of the water column was 68% of its summer level. This drop was largely due to a decrease in abundance of krill (Euphausia superba), although biomass of copepods and remaining zooplankton also decreased. Copepods averaged 48% of total biomass in summer and winter, but outnumbered all other taxa put together by a factor of 10. Antarctic epipelagic species predominated around the island in the summer survey but tended to be replaced by sub-Antarctic or cosmopolitan species during the winter survey. The majority of zooplankton also showed a downwards seasonal migration out of the top 250 m layer in winter. However, several epipelagic species, including E. superba, did not migrate, and these tended to have the largest summer-winter differences in overall abundance. These trends were attributed to variation in the position of the Polar Front, which lay north of the island during the summer survey but lay across the survey area in winter, resulting in a greater influence of sub-Antarctic water and the displacement of Antarctic species.
The NATO counter-piracy flagship of Task Force 508 (CTF 508) HDMS ESBERN SNARE and the Royal Navy of Oman corvette RNOV AL-RASIKH on November 24th conducted a naval exercise in the Arabian Sea off Salalah to improve interoperability and strengthen relations between the forces.The exercise focused mainly on communication, navigational exercises and demonstration of boarding capabilities. Prior to the exercise, personnel from the Royal Navy of Oman visited HDMS ESBERN SNARE while in port in Salalah to complete the planning of the exercise and get an introduction to the Special Maritime Insertion Unit (SMIU), one of HDMS ESBERN SNARE’s specialised assets for counter-piracy.During the exercise, members of the CTF 508 staff and crew members from HDMS ESBERN SNARE and RNOV AL-RASIKH took turns visiting the other’s ship. Chief of Staff for CTF 508, Commander s.g. Jens Bjørnsteen, led the group of visitors to RNOV AL-RASIKH.“It was a great experience to visit the AL-RASIKH during the exercise,” said Commander s.g. Bjornsteen. “The ship was commissioned earlier this year as the third of its class, and these corvettes are very capable platforms and ideal for patrol operations. It has been a pleasure to observe the crew of AL-RASIKH handle the ship in a most professional manner.”[mappress mapid=”14562″]Press Release; Image: NATO HDMS Esbern Snare, RNOV Al-Rasikh Exercise in Arabian Sea Training & Education View post tag: Snare View post tag: Al-Rasikh Back to overview,Home naval-today HDMS Esbern Snare, RNOV Al-Rasikh Exercise in Arabian Sea View post tag: Exercise November 28, 2014 View post tag: HDMS View post tag: RNOV View post tag: sea View post tag: Arabian View post tag: Esbern Share this article
Gavel GamutBy Jim Redwine(Week of 22 August 2016)FROM 1976 – ?Katrina S. Mann has served Posey County for forty years. She has worked in the County Assessor’s office, the Prosecuting Attorney’s office, County Court and Circuit Court. She has been a bailiff, probation officer, transcriptionist and court reporter.Katrina has experience in every aspect of all court reporting functions. Currently she is the resident expert in criminal proceedings, guardianships and probate (estate) matters. Litigants and even attorneys rely upon Katrina for help with complicated questions that ofttimes nobody else seems to know how to answer. Judges also sometimes look to Katrina for help in dealing with the briar patch of arcane legal jargon and convoluted regulations. I know one judge quite well who turns to her frequently and has for forty years.Katrina grew up in West Franklin in what once was rural Posey County. Society has unrelentingly encroached upon Katrina’s bucolic bliss. Today the once small settlement of West Franklin looks more like the west side of Evansville. Regardless, Katrina and her family continue to enjoy the home they have had since before the power plant started operations.It is not possible to overstate the critical role Katrina has played in the Posey Circuit Court during my service on the Bench. She is a person of absolute integrity, reliability, discretion and sound judgment. She has always put the needs of the Court and the people we serve above her own. This has been good for the public but sometimes not for Katrina.Katrina is a graduate of Mt. Vernon High School and has attended the University of Southern Indiana. Through hard work on her own time she has acquired numerous skills in the use of modern court technology such as Sten-O-Cat Court Reporting that is required in Indiana for death penalty cases.Katrina is quiet, patient and friendly. Should one need help with a criminal, or probate or guardianship matter they should first consult their lawyer. However, if you want to know where the Judge goes for help, check with Katrina.FacebookTwitterCopy LinkEmail
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The cost of maintaining vehicles properly has increased since we last reviewed the rates for restricted operators. Although we’ve taken a conscious decision not place any additional burdens on restricted operators, especiallyfollowing the period of economic downturn in 2008, it’s right to review the financial security test now and get the thoughts of industry and stakeholders on where the levels should be set. Restricted operators work in a number of diverse sectors so I encourage them all to engage with this consultation so we can understand the impact of any changes. Media office Eastbrook HouseShaftesbury RdCambridgeCB2 8DU The Traffic Commissioners for Great Britain are today (11 June 2018) launching a consultation to look at whether the financial resources test for restricted operator licence holders needs to be changed.All operator licence holders must demonstrate a certain level of financial resources based on the type of licence they hold and the number of vehicles they’re operating.The level of financial resources available is checked when operators first apply for a licence but is a continuing requirement and can be checked at any stage during the life of the licence.The test is designed to show they’ve got enough money to cover the cost of keeping large, commercial vehicles safe whilst they’re being used on public roads.For restricted operators (those who just carry their own goods or run no more than two passenger transport vehicles), the financial levels are set by the Traffic Commissioners for Great Britain.The current rates – £3,100 for the first vehicle and £1,700 for each additional vehicle – haven’t been reviewed since 2004.The rates for standard licence holders (those who carry other people’s goods or run passenger transport vehicles full time) are higher and set by European legislation.Richard Turfitt, the Senior Traffic Commissioner for Great Britain, said: Phone 07971 963998 Email [email protected] Press enquiries The consultation will run from 11 June to 31 August 2018.
Fully Committed View Comments Star Files Jesse Tyler Ferguson(Photo: Bruce Glikas) Show Closed This production ended its run on July 31, 2016 Related Shows The main course has arrived at the Lyceum Theatre! Modern Family and Broadway fave Jesse Tyler Ferguson will portray more than an already-whopping 40 characters in the uproarious one-man comedy Fully Committed, which serves up previews on April 1 (seriously). Penned by Becky Mode and directed by Tony nominee Jason Moore, the limited engagement is scheduled to officially open on April 25 and run through July 24.Mode’s play stars Sam, who works the red‐hot reservation line at one of New York’s finest restaurants. The best cuisine seems to inspire the worst behavior in its patrons; coercion, petty threats, bribes, histrionics—a cast of desperate callers, all brought to life by Ferguson, will stop at nothing to land a prime reservation, or the right table. Amid the barrage, Sam has his own problems to deal with. While juggling scheming socialites, name‐dropping wannabes, fickle celebrities and egomaniacal bosses, can he still manage to look out for himself? Theater fans will have to dig in to find out!Fully Committed originally played off-Broadway at the Vineyard Theater in 1999 followed by the Cherry Lane Theatre. The show has been subsequently seen in productions around the world, including Los Angeles, San Francisco, Boston, Chicago, London and Paris. This incarnation of the play is updated to reflect today’s high-brow (and resultantly high-maintenance) foodie culture that always seems to pair perfectly with the trendiest dining destination. Jesse Tyler Ferguson
PEARL iZUMI P.R.O. Pursuit Cycling Bib Tight$195Layering up for winter cycling feels like a lose-lose situation—add too many layers and you start to sweat and get cold, but without enough layers, you’ll be a literal ice cube in just a few miles. PEARL iZUMI’s PI DRY technology is the key to cold weather riding and winning. The softshell outer layer repels precipitation while the fleecey inside material is warm while still allowing for ventilation.Topeak PrepStand Pro $299The mountain biker, road cyclist or even the everyday commuter in your life will be forever grateful to receive this mother of all bike stands, the Topeak PrepStand Pro. This pro level work stand features an extremely stable tripod design that folds down for easy transportation to and from races or the local trailhead. Throw in the built-in digital weight scale, and you’ve got one of the best portable work stands on the market today. Filson Lightweight Alaskan Guide Shirt$115.00The venerable Filson brand has been around since 1897, and during that long-running tenure they’ve come as close to perfecting the all-season shirt as anyone. The Lightweight Alaskan Guide Shirt is made with a 3.5-oz. cotton that’s pre-washed for a broken-in feel and vintage appearance. The pleated back and relaxed fit provide a full range of motion through the shoulders, and because it’s Filson quality it’s built to last through years of wear and tear.The Chechessee, Williams Knife Co. $350Looking for a unique and meaningful gift for the fishing enthusiast on your list? Williams Knife Co. fits the bill. These world-class knives are handmade with care and craftsmanship in the South Carolina Lowcountry. The Chechessee is a standard trout fillet knife that is commonly used for cleaning small inshore species fish such as the speckled trout, redfish, flounder, etc. An excellent slicing and prepping blade, it’s equally at home in the kitchen as it is on the water. The knife also comes shipped with its own leather sheath at no additional cost. Still scrambling to complete your long overdue list of Christmas shopping tasks? Stay calm. There’s still time to make this your best gift giving year yet. This list of 12 unforgettable gifts will keep any outdoorsy guy or gal on your list smiling well into Spring.DryGuy Force Dry$50Ski season is upon us, and if there’s one thing we hate, it’s putting on wet boots. Enter the DryGuy Force Dry, a portable device that quickly dries boots in an hour, so you can ski all morning, break for lunch, and hit the slopes again with toasty dry boots. The dryer also works well for gloves.Night Trek 270$64.95With shorter days and longer nights, it’s crucial to have good visibility and to be visible. These bright, rechargeable shoe lights illuminate 30 feet in front of and for 270 degrees around you, making hiking or running at night feel much safer, albeit a little disorienting at first. The lights are water-resistant and secure snuggly to your laces. Suerte TequilaNo Christmas list is complete without at least one bottle of high quality booze, and it’s hard to find better quality than Suerte Tequila. The single estate tequila brand, founded in Boulder, Colorado in 2012, uses traditional distilling process, and offers a fantastic taste at a competitive price point. The Extra Añejo ($109.99), Añejo ($49.99) and Reposado ($35.99) are aged in charred American White Oak whiskey barrels for seven years, two years and eight months, respectively. The Blanco ($29.99) is rested for a minimum of two months prior to bottling.Men’s Fire Tower Belay Down Parka $299.95If you’re shopping for a person that refuses to let extreme cold get in the way of their much needed outdoor adventure, this is the parka for you. This down hooded belay jacket is the warmest Big Agnes has offered. It features 700 fill DownTek water repellent down, Insotect Flow vertical baffles and ultralight random rip-stop nylon shell that protects from the elements and offers incredible durability.Walls Ditch Digger Pant 833 $44.99The 833s are made with 11-ounces of durable duck canvas and a bomber construction that can easily tackle the toughest of jobs. They are built with a comfort waistband, gusseted crotch and feature a relaxed cut that makes them ideal for kicking around camp.Chaco Frontier Waterproof Boot $170.00Chaco is about way more than just high quality sandals these days. This waterproof boot features full-grain leather upper, suede padded collar for added comfort, and is a perfect boot for a commute to the office or light hike on the trail.Tepui Baja Series Ayer 2-person Rooftop Tent$835Go big this year for the frequent camper in your life with Tepui’s new Baja Series. Rooftop tents are taking off as a category because they make setting up camp super easy—no more looking for flat dry ground—and are a lot more comfortable than sleeping in normal tents. The Baja series is new for 2017 and allows users to change canopies based on the conditions they’re camping in. There’s a mesh shade canopy for hot humid weather, a lightweight nylon rip-stop canopy for spring time, or an aluminized canopy for inclement weather. A detachable rainfly is also included.Midland T71VP3 Two-Way Radio Set $79.99 No cell phone service? No problem. Stay connected with your adventure partner even in the remotest of destinations with Midland’s T71VP3 two-way radio set. With a range that extends to 38-miles and Midland’s signature Weather Scan technology, a set of these radios could be essential to the success of your next backcountry excursion.
By Dialogo September 10, 2013 NASA said that the Sea Knight CH-46 helicopter collision test was one of the most ambitious ones made at Langley Research Center (LaRC) in Hampton, Virginia. The cameras, which record 500 images per second, allowed researchers to figure out the way in which the fuselage would bend, brake or collapse on impact. NASA is collaborating with the U.S. Navy, Army and Federal Aviation Administration. In addition to improving security, engineers want to increase industrial knowledge and create more complete computer models that may be used to design better helicopters. NASA engineers dropped a helicopter’s fuselage from a height of 30 feet, as part of a project aimed at improving helicopter safety. The helicopter, loaded with three collision test dummies, was elevated 30 feet in the air and dropped to the ground at a speed of 30 miles per hour, while 40 high-speed cameras were recording the event that represented a severe, but not fatal, collision, according to engineers. The final goal is to contribute to the efficiency and speed of helicopters and other vertical launch vehicles, as well as making them quieter and less polluting.