Starlight soap box challenge
Build photos and more from Georgia Tech’s Starlight Soap Box Challenge, thanks Andy – Link.
Science
DIY science is the perfect way to use your creative skills and learn something new. With the right supplies, some determination, and a curious mind, you can create amazing experiments that open up a whole world of possibilities. At home-made laboratories or tech workshops, makers from all backgrounds can explore new ideas by finding ways to study their environment in novel ways – allowing them to make breathtaking discoveries!
Propeller driven bicycle (recumbent trike) – Human powered
TVeditor writes – A soothingly quiet trike driven by a 7-ft., pedal-powered propeller. I spend a month a year working on a commercial fishing boat with a loud diesel engine, and the greatest sound in the world is to hear it turn off. Recumbent trike built from aircraft-supply cro-moly tubing and salvaged bike parts. Prop […]
Soy wallets
Soy wallets has (you guessed it) wallets from soy milk containers, they’re for sale – but the instructions are at the bottom of the page… Link.
Scrap built Dxmaxion
Bishopthirteen writes – I’ve always loved building vehicles from found bits. I grew up at the top of a steep hill so engines were never a consideration until I moved to West Oakland (think a paved dry lake bed with stop signs). This is my first homebuilt “car” not based on a bicycle drive system. […]
Grow crystals in a cup
From Pop Sci, Theodore Gray on making bizmuth crystals – When I was a teenager melting elements in my parents’ basement, I noticed that cooling lead would sometimes form a snowflake-like pattern on its surface. Snowflakes are crystals, and I had never thought of metal as crystalline. Metals are shiny, malleable things. You can’t bend […]
Gyroscopically stabilized CD-player(s) in microgravity
This astronaut shows how to build a gyro-stabilized lighting platform using three CD players for gyroscopes, thanks RayCeeYa! Link.
HOW TO – Make a penny shell
Here’s how to to make a penny shell (using acid to dissolve the zinc core) – Looking for something more interesting to do with that jar of pennies than just cash it in? One word: acid. In most years before 1982, American pennies were 95 percent copper. Then the price of copper went up until […]