wind tunnel
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Amazing Airborne Microchips are the Tiniest Human-Built Objects to Take Flight
Like helicopter seeds falling slowly towards the ground, these newly created “microfliers” catch the wind to achieve unpowered controlled flight.
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Here’s How You Repair A 45-Year-Old Broken Wind Tunnel
One of NASA’s premier wind tunnels at the Langley Research Center is broken. The motor, which drives the tunnel’s wooden blades, experienced an electrical short. So how do you repair a massive ageing subsonic wind tunnel?