Computers & Mobile

The latest DIY ideas, techniques and tools for digital gadgetry, open code, smart hacks, and more. Processing power to the people!

Alka-Seltzer Rocket

Alka-Seltzer Rocket

Dan sent in this fun how-to on Steve Spangler Science on building an Alka-Seltzer rocket – “What happens when you have a build-up of gas? Don’t answer that question! The gas in question is carbon dioxide and the explosion is nothing short of fun. Warning: It’s impossible to do this activity just once. It is […]

Alan Baker’s Bar Monkey

Alan Baker’s Bar Monkey

Jon writes – “Here is some information on a Bar Monkey that I helped Alan Baker build this winter. The Bar Monkey is a device for automatically mixing drinks. The concept comes from BarMonkey.net where you can see several other versions of bar monkeys. Almost all of Alan’s Bar Monkey, including the software, was designed […]