Applied Physics

4 Reasons Computers May Have Reached The End

4 Reasons Computers May Have Reached The End

11 years ago, DARPA predicted that there was a physics-induced train wreck coming straight at the computer chip industry; the limits of what electricity and existing materials can do. Even then,…
5-Minute Science: Ketchup Packet Cartesian Diver

5-Minute Science: Ketchup Packet Cartesian Diver

You can easily build a Cartesian diver toy using an empty one liter soda bottle (with the label torn off), a ketchup packet, and tap water. You may want to have a few ketchup packets on hand and put…
Putting Together How Things Fall Apart

Putting Together How Things Fall Apart

Materials that are firmly bonded together with epoxy and other tough adhesives are ubiquitous in modern life — from crowns on teeth to modern composites used in construction. Yet it has proved…
Discovered: Cool-Burning Flames In Space

Discovered: Cool-Burning Flames In Space

If you have watched the NASA channel recently, you might have witnessed a series of experiments regarding flames.  On the surface, pardon the pun, it may have seemed like a minor thing, but how…
The NSA, Snowden, And Citizen Cryptology

The NSA, Snowden, And Citizen Cryptology

In a previous article I demonstrated how to use a One Time Pad cipher using a pen, paper, and Scrabble tiles (or Boggle cubes). If used correctly, One Time Pads cannot be broken by the NSA or any…
Birdsnap App Can Help You Identify Birds

Birdsnap App Can Help You Identify Birds

Birdsnap is an iPhone and web based app that uses many of the techniques of facial recognition software to identify 500 of the most common North American birds. The web based version of Birdsnap is…
Geckos: Look, We're Not Spider-Man

Geckos: Look, We're Not Spider-Man

When you see an article about geckos and their ability to sit upside down, Spider-Man references are sure to follow. And if the topic is that sticky ability in spiders, you will get Spider-Man…