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Wind

Seven years after constructing its initial prototype, Florida International University has lifted the lid from its latest and greatest machine: a 15-foot (4.6-m) tall Wall of Wind capable of generating 157-mph (70-m/s) winds. As such the machine is capable of simulating top-tier category five hurricanes according to the Saffir–Simpson Hurricane Scale. Read More

Sometimes when you’re cycling, especially if you’re out on the open road, the constant wind noise in your ears can get rather annoying. It can also be potentially dangerous, as it may mask traffic noises. Well, if you’re OK with sporting what at first glance looks like a pair of dark sideburns, Cat-Ears might be the answer. Read More

If you’re into activities such as windsurfing, sailing or kite-flying, then you’re going to want to know where and how hard the wind is blowing. While weather reports may give average wind speeds for your city as a whole, they’re usually not very specific. That’s where Shaka comes in. It’s a tiny wind meter that works with your iPhone. Read More
Aeolus, a fascinating acoustic wind sculpture made by prolific Bristol artist Luke Jerram, is as much a feast for the ears as it is for the eyes. Named after the mythical Greek ruler of the four winds and built in conjunction with the University of Southampton's Institute of Sound and Vibration Research and the University of Salford's Acoustics Research Center, the giant aeolian wind harp is intended to inspire the public to learn more about the amazing things that can happen when engineering, acoustics and aerodynamics are blended together. Read More
One of the problems of using GPS chartplotters on a sailboat is that it is extremely difficult to calculate accurate arrival times given the amount of tacking often involved. Now there's a purpose-built Sailing GPS that not only accounts for the tacking that sailboats do, but can can tell you the optimal tacking angles and your Tacking Time to Destination (TTD). Read More
NASA's Chandra X-ray Observatory has recorded ultra-fast 20 million-mph (32 million km/h) winds roaring from a gas disk around the stellar-mass black hole IGR J17091-3624. The wind speeds are a record, a factor of ten greater than any previously recorded, for a black hole of this kind. It is hoped the surprise discovery will shed new light on the behavior of stellar-mass black holes. Read More
Walney wind farm off the coast of Cumbria in the UK yesterday became the world's largest offshore wind facility. One hundred and two turbines over 73 sq km (28 sq miles) provide a maximum output of 367.2 MW. It's claimed the facility will provide enough power for about 320,000 homes - half as many again as the total number in Cumbria. Read More
By embracing wind "as an architectural element", architectural practice Betillon/Dorval-Bory believes its anabatic office concept is ideally suited to hot and humid climes. But rather than relying on natural air movement, the anabatic office seeks to create its own wind, so that energy-efficient cooling can occur where little natural wind occurs. Anabatic is a word that describes an uphill wind generated by a localized heat source. Read More
Thousands of people were left homeless this May, when over 40 percent of the town of Slave Lake, Alberta, Canada was destroyed by a wildfire that started in the adjacent forest. This is just one example of the devastation that can result when fires occur in what is known as the wildland-urban interface. While some buildings are destroyed when the wildfire itself reaches them, others can catch fire due to wind-borne embers from that fire. In an effort to test how well wooden decks are able to resist such embers, America's National Institute of Standards and Technology (NIST) created something known as the Dragon - it's a device that sucks in tree mulch, and "breathes" it out as firebrands. Read More
Hybrid vehicles are becoming more and more commonplace on our roads and now the world's first hydrogen powered hybrid ferry is set to take to the water off New York. Following on from the 2008 launch of the San Francisco Hornblower Hybrid that runs on a combination of solar, wind and diesel power, the new 1,400-hp New York Hornblower Hybrid adds another energy source to the mix with hydrogen fuel cells to complement its clean Tier 2 diesel engines, solar panels and wind turbines. Read More
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