Technology

Kinetic Sculpture Pushes Gravity’s Envelope

Kinetic Sculpture Pushes Gravity’s Envelope

Ben Light displayed Kinetic Sculpture 5 at the ITP Winter Show last month. When the user waves his/her hand over a photoresistor, a push solenoid is triggered, causing a rod to decouple and swing to the other side. Whatever losses are sustained due to conservation of energy are then recovered by a strong magnet that gives the rod that extra pull it needs to couple to an identical solenoid on the opposite end.

Coffee Can Doppler Radar Set

Coffee Can Doppler Radar Set

Radio hacker extraordinaire Greg Charvat is back with this 15-minute video lecture showing off and explaining the measurement of moving objects’ velocities using the low-cost coffee can radar system he and co-workers at MIT developed, in the fall of 2010, for their open courseware initiative. The video begins with a chalk talk describing the operation […]

DIY iPad Augmented Reality Cars

DIY iPad Augmented Reality Cars

Waiting out an unfortunately lengthy shipment, Stockholm area maker Johan von Konow decided to build for his son a working set of augmented reality game pieces for the Cars 2 AppMATes game on his iPad. To achieve a faithful representation of the characters in the game, Johan modified a couple of PEZ dispenser tops approximately […]