Motorize a phenakistoscope, a 19th-century parlor novelty that preceded motion pictures, and keep its frames synched to an LED strobe by using a sensor and an Arduino microcontroller. Invented in 1832 by Joseph Plateau, this device creates a moving picture from a sequence of stills arranged on a spinning disk and viewed through strategically cut […]
Apartment-style living has its advantages, but getting a bicycle off the balcony, through your living area, and down several flights of stairs just to go get some exercise isn’t one of them. Carrying groceries up and taking trash down several flights of stairs isn’t so much fun either, but you can mitigate these pains by […]
Imagine a handsome lacquered oak box with a lid mounted on brass hinges. The magician opens the box to reveal a row of 6 brightly painted, rainbow-colored wooden blocks nestled snugly inside. A long, rigid spike passes through a hole at one end of the box, through holes in the centers of the blocks, and […]
Shown here is a simple method for A) removing a stay tab from a soda can with the rivet-ring intact, and B) attaching the tab to a wooden frame or board using the rivet ring. The pull-ring is then conveniently used for hanging from a nail.
My husband bought some stakes at the hardware store when we first installed our drip-irrigation system for our garden. I looked at the package and saw what looked like pieces of the wire hangers you get at the dry cleaner’s. Why not make them ourselves and save a few bucks? compare to: http://www.amazon.com/Galvinized-Stainle…
Laser pointer + drop of water = microbial movie theater!
How to electrocute the devilish Chucky doll of slasher movie fame.
