A 3D-printed Iceman, a village made from plastic bottles and a purple tribute to Prince top off this week's gallery.
Solar power is popping up everywhere and it has nearly taken over this week's slideshow.
E-Volo's semi-autonomous Volocopter uses a single joystick to fly and operates with an electric motor.
Wind takes center stage this week as it generates power, creates audio art, whips your hair on a quad motorcycle and whistles over the fastest car.
The new Quiet SST will fly you anywhere on Earth in six hours without the sonic boom.
Transcranial direct current stimulation could offer students a new way to learn. Continue reading →
The Airlander produces less noise, less pollution, and has a lower carbon footprint than conventional aircraft. Continue reading →
In 2015, there were more than 6,600 incidents reported to the FAA, compared with 3,900 in 2014.
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