Energy & Green Tech

AI-controlled vertical farms promise revolution in food production

When you think about it, early civilizations had a rough time when it came to dinnertime. With no supermarkets, McDonald's, or Cheesecake Factories, you pretty much had to find and prepare your own meal every day. And since ...

Robotics

Beyond batteries: Scientists build methanol-powered beetle bot

Scientists have long envisioned building tiny robots capable of navigating environments that are inaccessible or too dangerous for humans—but finding ways to keep them powered and moving has been impossible to achieve.

Robotics

Robotic bees are joining the International Space Station

"There are some things only humans can do in space. The rest can be left to robots." The NASA team is showcasing hw to put that simple observation into interesting practice with their development of Astrobees.

Electronics & Semiconductors

New coating is a breakthrough for hydrogen fuel

Photocatalysis using particles in water is a promising technology for generating fuels from sunlight. One major obstacle to producing these solar fuels cheaply and abundantly, though, is that it requires semiconductors that ...

Energy & Green Tech

Mining bitcoin uses more energy than Denmark: study

Extracting a dollar's worth of cryptocurrency such as bitcoin from the deep Web consumes three times more energy than digging up a dollar's worth of gold, researchers said Monday.

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