Telecommunications

Google makes french fries with a potato cannon

This is just a commercial, really, but it’s pretty entertaining. Google advertisers wanted to push their whole “Chrome is fast” angle and so they set up and filmed a series of “tests” where they trigger some fast real-world event and load a page in Chrome at the same moment. Guess which process finishes first every time? Yeah, OK, that was an easy one. It’s hardly “science”–not even the watered-down television kind–but it is, in fact, fairly amusing to watch a potato get blasted through a fry-cutter and into a vat of cooking oil. They also spray paint onto a giant ear model using acoustic waves and zap a tiny pirate ship with a Tesla coil. The making-of video is recommendable, as well. [Thanks, Alan Dove!]

Seeing radio waves with a light bulb

Seeing radio waves with a light bulb

Using a low power amateur radio transmitter and a simple light bulb receiver circuit, we see how radio waves and electromagnetic induction transmit energy and signals wirelessly through the air. We also see how dipole and Yagi antennas radiate their energy in different patterns. Read on to build your own dipole receiving antenna! Subscribe to […]

How-To: Pirate TV

How-To: Pirate TV

Jon Cohrs writes: Tired of the blocky, JPEG-like resolution of digital television? Do you long for the days of RF modulation and regulated-yet-unregulated content? Do you simply have the desire to toss your converter box out the window and make use of those rabbit ear antennae that are just lying around? If so, then you […]