Spirulina Farm

Spirulina isn’t the sort of food you want to spread on toast or eat in a gourmet restaurant, but its bland taste doesn’t make it any less amazing.

Considered a “superfood,” this algae grows in salt water and is dried and stored in powder form. Just one and a half pounds of this stuff can provide enough nourishment to keep a full grown man alive for an entire month!

spirulina powder

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Float Valve

 Looking to get float valves shipped to your door? Jump to the bottom of the article for our recommendations.

Have you seen “the most useless machine in the world?”

When you turn it on, a little arm pops out to turn itself off again. It’s the funniest feat of human engineering so far.

But not all devices that exist to switch themselves off are “useless.” A float valve is one great example.

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In the well-known science fiction novel Hitchhiker’s Guide to the Galaxy, the Earth is blown apart to make way for a space freeway. When the space demolition team notified the earthlings of their upcoming doom, they use an advanced sound amplifying technology that turned every flat surface on earth into a sounding board, allowing them to broadcast to every human simultaneously.

rock-it-speakerOften, our actual technology catches up quickly with our science fiction technology. This sound reproduction technology first published by Douglas Adams is the latest scifi dream become reality.

This is the OrigAudio Universal Vibration SpeakerIt claims to “turn ANY object into a speaker.” Here’s Five Gallon Correspondent Jeremy Cook testing it out on a 5 gallon bucket. Continue reading

Computer Tower

The United States has almost as many personal computers as people. A small minority of these computers are customized works of art. Here’s a fully functional computer built into a metal mesh 5 gallon bucket.

mesh bucket computer

This machine follows in the ancient 5 gallon tradition of portability. Notice the handles, for quick and easy transport! I’d love to build a computer like this. If any readers know if and where I can buy a chassis like this, please let me know in the comments.

Not all custom built computers are works of art, of course. Continue reading