The Nano Air Vehicle (NAV) is a small bird-sized aircraft that uses flapping wings to fly and hover. It was developed by UAV-pioneers Aeronvironment with funding from (you guessed it) the Pentagon's Defense Advanced Projects Research Agency (DARPA). Aeronvionment is now working to improve the robot so it can fly in outside winds. From New Scientist:
Aeronvironment's flapper appears to achieve propulsion, stabilisation and control all at once using its paired wings. Details of the technology are confidential, however, under the US ITAR arms control export restrictions...
DARPA has said it wants a 10-gram aircraft with a 7.5-centimetre wingspanMovie Camera that can explore caves and other hiding places, relaying GPS data and images to base. It will need to fly at 10 metres per second and withstand 2.5-metre-per-second gusts of wind.
That goal is a long way off, but DARPA programme manager Todd Hylton says Aeronvironment is on the right track. "Progress to date puts us on the path to such a vehicle," he says.
In Insurance coverage of customers induces dishonesty of sellers in markets for credence goods , a research paper in PNAS by German and Austrian economists, the authors show experimental evidence that electronics repair shops are more likely to overcharge for labor when their customers have insurance.
Techpowerup caught hardware giants MSI and Asus shipping them graphics cards that were preset for a software-based overlock mode, meaning that the cards performed better out of the box for reviewers than they would for customers.
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