As long as you temper your expectations, there’s plenty of material to cut with your 40 watt CO 2 laser or at least engrave ... the white tile surface. Acrylic didn’t work, but there are ...

Using common materials (laser pointers, polarizing filters, and calcite), anyone can reproduce this experiment at home. If this sparks curiosity, explore Hackaday’s archives for quantum mechanics.

The best laser printers on the market are those that reliably deliver pages of high quality at lower printing costs than the competition, without causing you headaches. I know because my team ...

You may need to treat a cut in your mouth after playing sports, biting your cheek while eating, or due to another common injury encountered in day-to-day life. Bleeding, along with symptoms of pain ...

and also not thinking they need to completely cut it out and never eat it again. A restrictive mindset makes it so people, if they eat one UPF, they think, ‘Oh no, I’ve broken my diet,’ and ...