Article Extract: Known as the “invisible helmet” to most, the device’s motion sensors—the same kind used in Wii-style devices—detect when the body is moving abnormally. In circumstances when cyclists are in an accident, or begin to fall, the helmet, using airbag technology, deploys an inflatable nylon hood around the cyclist’s head. A cold gas inflator, positioned in the helmet’s back collar, pumps the hood with helium when the sensors are triggered. The helmet stays inflated for several seconds, so that it can absorb the shock of multiple hits in the same accident, before releasing the gas, and slowly deflating.
Once a prototype was in place, it had to be certified by the Swedish Technological Institute, which tests all bicycle helmets for safety before they can be sold in Europe. The helmet was released on the market in November 2011 in Sweden; in early 2013, it launched across Europe. More than 250 retailers sell the product, and thousands of cyclists across the continent are using them, Alstin says. It’s too soon to say when the helmets might be available in other countries, like the U.S. and Canada. It has its downsides, being quite expensive (over $500) and is not reusable.
Article Link: http://blogs.smithsonianmag.com/ideas/2013/12/the-bicycle-helmet-thats-invisible-until-you-need-it/
All pics courtesy: Hövding
#helmet #safety #innovation
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