Made On Earth

Pedal powered ferris wheel

Pedal powered ferris wheel

Remember the The Miss Rockaway Armada (floating fleet of junk/recycled boats) we posted about? They’ve made it to Minneapolis, here’s a video of their pedal powered ferris wheel – [via] – Link. Related: Junkboat fleet – The Miss Rockaway Armada – Link. Other DIY ferris wheels – Link.

Low cost handheld braille writer

Low cost handheld braille writer

Inexpensive handheld braille writer made by students – “To help provide a low-cost communication tool for blind people, undergraduates at The Johns Hopkins University have invented a lightweight, portable Braille writing device that requires no electronic components. For a class called Engineering Design Project, four mechanical engineering majors were asked to produce such an instrument […]

Homemade spy sub

Homemade spy sub

From Popular Science’s How 2.0, homemade spy sub – “Some fathers and sons play catch. Electrical engineer Jason Rollette and his 12-year-old son Trevor are a little more ambitious. Hoping to explore the lakes and rivers near their Milwaukee home, they’ve built their own underwater remote-operated vehicle, or ROV. Controlled and powered by a laptop, […]