They're developing a constellation of mirrors in space that can beam sunlight to Earth at night, essentially selling daylight ...

Blue Ghost just sent back amazing photos of last night's "Blood Moon" total lunar eclipse from its perch in Mare Crisium, or ...

Laser beams powered by the sun are one small step closer to becoming a reality after researchers received funding to develop the pioneering technology. These lasers could eventually help power ...

The sun has produced energy for billions of years. Every hour the sun beams more energy onto Earth than it needs to satisfy global energy needs for an entire year. In one technique, long troughs ...

What have you been working on during the Great Chip Shortage? [NanoRobotGeek] has been living up to their handle and building BEAM robots that are smaller than any we’ve seen before. What are ...

For more precision, swap to narrow-beam LEDs or use filtered photo diodes to block ambient noise from sunlight or fluorescent lights. It’s delightfully simple yet endlessly tweakable.