For precision, speed, and fine-detail, only the best laser engraver will make the cut. I tested out a range of laser engraving machines, and these are my top-rated recommendations for crafters ...

Credit: Chinese Academy of Sciences HELSINKI — China could look to laser power transmission from lunar orbit to supply spacecraft on the moon and solve one of the big challenges for its lunar ...

There will also be a standby 5V supply using another small transformer, and a “power good” circuit to tell the motherboard that the PSU is ready and to activate the supply on an external input.