Carolyn Trietsch recently defended her Ph.D. in entomology at Penn State. You can view her website or follow her on Twitter @carolyntrietsch. Laser pointers are perhaps the most abused visual aids in ...

(Nanowerk News) If you thought that a kid's room, a Norwegian Nobel Laureate and a laser pointer had nothing in common, two UA physicists are about to enlighten you. It's hard to believe, but after ...

PowerPoint Live in Microsoft Teams will soon support a virtual laser pointer. People will also be able to use ink annotations during PowerPoint Live presentations in the near future. Support for ...

I’m sure all of you reading this have seen or used a laser pointer at some point in your life, or maybe you’ve even bought one online. But have you ever paid attention to the warning signs on your ...

The batteries leaked in my laser pointer. They had swollen to the point where I could not get them out. I clamped the laser pointer in my trusty Wilton vise and drilled out the batteries with a large ...