Red laser pointers are so passe. These portable laser pointers from Laserglow come in blue and yellow as well as the more commonplace green. But these high-power beams are not made for PowerPoint or KeyNote presentations. They're built for industrial and scientific use and can do things like pop balloons and slice through tape. Sounds like it's only a matter of time before someone figures out how to turn them into a real-life light sabers.