A dead satellite can become a high-speed hazard in an orbit that is already packed with working spacecraft. That risk is why ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

This remarkable miniature rotorcraft is so lightweight and efficient that it can lift its own mass given nothing but sunlight. The entire thing weighs about as much as four paperclips, and it can fly ...

Researchers are developing a real-life tractor beam, with the goal of pulling defunct satellites out of geostationary orbit ...

Over on his YouTube channel [Ryan Inis] has a video about how electrostatic motors are breaking all the rules. He explains that these days most motors are electromagnetic but suggests that may be ...

The original version of this story appeared in Quanta Magazine. Imagine, for a moment, that you’re a honeybee. In many ways, your world is small. Your four delicate wings, each less than a centimeter ...

If you have an interest in audio there are plenty of opportunities for home construction of hi-fi equipment. You can make yourself an amplifier which will be as good as any available commercially, and ...

We may receive a commission on purchases made from links. Whether you're a casual gardener or someone who needs to disinfect surfaces frequently for their actual job, you may have encountered the need ...

A British audio speaker company claims its in-vehicle sound technology can boost range for electric vehicles with lighter weight and less energy consumption. The "electrostatic speakers" can ...