Engineering

Laser-powered-drones may beat endurance hurdles

Hmm. Drones that can be recharged by a laser. So how long could they fly before having to land? How about "never mind"? We can look forward to seeing this idea in action. New Scientist had a story on September 3 that the ...

Energy & Green Tech

New efficiency record for organic photovoltaic cells

A team of researchers affiliated with several institutions in China has established a new efficiency record for organic photovoltaic cells. In their paper published in the journal Science, the group describes their approach ...

Robotics

The first wireless flying robotic insect takes off

Insect-sized flying robots could help with time-consuming tasks like surveying crop growth on large farms or sniffing out gas leaks. These robots soar by fluttering tiny wings because they are too small to use propellers, ...

Engineering

Smart windows could combine solar panels and TVs too

Imagine standing in front of a wall of windows, surveying the view. You hear someone enter the room behind you. You turn. "Welcome," you say. "Here is the video I wanted to show you." At the press of a button, the view vanishes ...

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