Science

Long Now – Mechanicrawl

Long Now – Mechanicrawl

On July 12th, the Long Now Foundation is presenting the Mechanicrawl event. Mechanicrawl is a progressive tour through the mechanical wonders of San Francisco’s North Shore! You’ll be able to map your own route to see the SS Jeremiah O’Brien with it’s giant steam engine running, the most complex mechanical computer ever built, The Torpedo […]

Tim Hunkin explains it all

Tim Hunkin explains it all

Tim Hunkin is known for his automata – the Disgusting Spectacle at Maker Faire 2007 was inspired by one of his pieces. He’s also a talented explainer. You can find entertaining explanations for a huge range of topics at his site, Rudiments of Wisdom. Related: Tim Hunkin’s giant automaton clock for the London Zoo The […]

Chia Pet meets the solar cell

Chia Pet meets the solar cell

Researchers at the University of California, San Diego have come up with a way of making solar photovoltaic cells more efficient by making them fuzzy with nanowires. Boosting solar cell efficiency The idea is [to] use nanowires to more efficiently conduct electrons from the collection surface of the solar cell to an electrode. Contemporary thin-film […]

Rocket motor design software

Rocket motor design software

BurnSim ($39) is a solid rocket motor ballistic simulation program (Windows only) now in its third version. In a nutshell, input your motor, nozzle and propellant characteristics and BurnSim calculates the Kn (kilonewton) through the burn and predicts estimated chamber pressure and motor performance. Once your motor design is in BurnSim, you can tweak the […]