Right now they use heavy aluminium masking tape to cover up surfaces during production. Now, engineers at BAE Systems have created a new kind of tape that leaves the surface clean when it’s peeled away
On July 23, 1983, in the small Canadian town of Gimli, Manitoba, Captain Robert Pearson and Co-Pilot Maurice Quintal expertly glided a 100-ton Boeing 767carrying 69 people to a safe landing without engines, air brakes or flaps, and minimal control of the aircraft.
A helicopter's rotor design may allow for vertical takeoffs but that comes at a price — the backwards moving blade counteracts the helicopter's forward momentum, causing it to stall at high speeds. But one German firm believes that outfitting the blades with bumps inspired by the fins of humpback whales will speed whirly-bird flights significantly.