Retrotechtacular: Similarities of Wave Behavior

similarities-of-wave-behavior

This installment of Retrotechtacular looks at a video lecture that is much more substantive than the usual fare. [Dr. J.N. Shive] was a researcher at Bell Labs at a time when just about every technological breakthrough was coming from that singular collection of minds.

This video, called Similarities of Wave Behavior, was made to help bring students up to … Read the rest

Hackaday Links: March 21, 2012

Don’t get your dirty fingers on the glass

[Poke] sent in a video of him using Android devices with a wiimote and PS3 controller. The build uses the Joystick2Touch and the USB Joystick Center app. Root is required, but this will be very useful when tv-sized Android devices start showing up.

Wonderful restoration work

[John] sent in an Instructable on … Read the rest

TEMPEST: A Signal Problem

tempest

TEMPEST is the covername used by the NSA and other agencies to talk about emissions from computing machinery that can divulge what the equipment is processing. We’ve covered a few projects in the past that specifically intercept EM radiation. TEMPEST for Eliza can transmit via AM using a CRT monitor, and just last Fall a group showed how to monitor Read the rest