These digital clocks aren't digital at all
Do Pumps Create Pressure or Flow?
Retroreflectors; they're everywhere, and they cheat physics (sort of)
The Future Of Reasoning
Philips crazy Ski Slope Cassette Deck
Making transparent wood
The Aldrin Cycler: A Conveyor Belt To Mars | Answers With Joe
Fiber vs. Copper; What do we really need?
In Defense of the CFL: A Retrospective
Coffee Percolators: An Explanation and Roast
How does Dobble (Spot It) work?
How to Poop on a US Navy NUCLEAR SUBMARINE - Smarter Every Day 256