"optics" videos at 5min

The beam expander is an optics designed to be used with lasers to control beam properties such as divergence, length and focus point. This video explains how the beam expander works and gives several

5:20

Diffraction gratings from http://www.dragonlasers.com 3 Sparan series lasers (blue, green & red) are used with diffraction gratings to make a laser show. Also an explanation of diffraction gratings, how to use them and the precautions to take.

3:28

Learn how to Go from dusty photo albums to live-streaming memories! Before: dusty albums, buried in the back of dusty closets. After: hundreds of photos streaming live through your living room, refreshing every minute. See how to make memories come alive with this FiOS-networked Digital Memory Wall. http://www.2pointhome.com/

2:48

The techno-gurus of tech makeover show My Home 2.0 made this digital wall harp using a MidiTron and infrared sensors that track your hand movements. To see complete instructions, more great DIY projects, and their latest st

2:31

Ryan Howard geeks out! The Techno-Gurus of technology makeover show My Home 2.0 created a 2.0 Bat for the MVP slugger to try. It's got an accelerometer, a gyroscope, and a wireless transmitter, all synched up to a computer that tracks a batter's swi

3:18

Sure, you could just use a knife, but that would be so....retro. Techno-Guru Brian of technology makeover show My Home 2.0 introduces his sweetest invention ever: an assembly line machine for your favorite sandwich. Great for busy parents and tech-hu

2:31