My Blog

CTX Virtual Technologies Laser Keyboard


By far one of the coolest technologies I have seen recently is the CTX Virtual Technologies Laser Keyboard and Keyfob.

The keyboard connects to tablets and phones via bluetooth. It projects an image of a QUERTY keyboard on the surface in front of it, and as the projected keys are tapped, a letter registers on the phone/tablet. 

Here is a video of the keyboard working via bluetooth with an iPhone 4:

In order to make the projection, CTX used a laser diode. Here is a link to a cool Youtube video explaining how laser diodes work

Structure Sensor


My Very Happy review for Occipital Labs’ Structure Sensor, the first mobile 3D scanner, is up! Click here to read it (

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