[Stephen Hawes] has been trying fiber lasers to create PCBs ... FR4 uses epoxy which will probably produce some toxic fumes under the laser.

When it comes to the best sports cameras—just like the best athletes—speed is everything! After years of photographing all kinds of sports, from basketball and boxing to swimming and skateboarding, ...

Lightweight and compact in construction for higher useability Water and oil repellent coating on front glass element makes maintenance of the lens surface Filter Size: 95mm Minimum focusing ...