The Modern Laser Pointer is constructed from 6061 T6 high ... severe cold and heat from -30° to 250° F, underwater or even in space. Replaceable pressurized ink cartridge continuously feeds ...

Filling this gap opens new opportunities in underwater communications, medical treatments and more. Green laser pointers have existed for 25 years, but they produce light only in a narrow spectrum ...

Laser photogrammetry is a technique that combines underwater photography with laser pointers all mounted on a special rig. When the camera is aimed at a shark, the laser marks are projected onto the ...