Heat Pumps: the Future of Home Heating
The CED: RCA's Very Late, Very Weird Video Gamble (Pt. 1)
Retroreflectors; they're everywhere, and they cheat physics (sort of)
LED Printers: The Common Printing Tech You Haven't Heard Of
21 HORRIFIC Tech Fails they want you to forget.
Humidifiers: Simpler is better?
Pulse Oximeters; An Amazing Use of Light
Coffee Percolators: An Explanation and Roast
Flexplay: The Disposable DVD that Failed (Thankfully)
Reusable handwarmers that get hot by freezing
The fifty year old Talking Clock Radio