Monthly Archives: February 2011

On Spacefilling Curves & the Traveling Salesman Problem

By gavin | Published: February 20, 2011
“Paul Goldsman used the spacefilling curve heuristic to solve the same instance [15,112 cities in Germany]. Our solution was about 34% longer. At a leisurely 600 km of travel per day this means the time to drive our solution would be about 147 days versus 110 days for the solution of Bixby, Chvatal, and Cook. [...]
Posted in programming | Comments closed

Water-powered turbine generator idea: Strait Power

By gavin | Published: February 8, 2011
“designed originally as his senior project at the college for creative studies in the united states, industrial designer anthony reale’s ’strait power’ provides a highly efficient redesign of water-powered turbine generators.” “realized, tested, and archived over 130 days, the project involved 711 hours of production work and 200 testing hours, as well as 95,000 USD worth [...]
Posted in energy | Comments closed

Words I Love: Computational Art

By gavin | Published: February 4, 2011
“From generated pixels on a screen to artwork, translating computer art to prints can give computer-produced visuals new life. This week, Christina Vassallo lets us know about her new series of silkscreened limited editions from two artists whose work in code (via Processing) we already know and love. [...] Just seeing that MacBook Pro and [...]
Posted in design | Comments closed

Cleaning & transforming your data with Stanford’s Wrangler

By gavin | Published: February 3, 2011
Wrangler Demo Video from Stanford Visualization Group on Vimeo. “Too much time is spent manipulating data just to get analysis and visualization tools to read it. Wrangler is designed to accelerate this process: spend less time fighting with your data and more time learning from it. Wrangler allows interactive transformation of messy, real-world data into the [...]
Posted in data | Comments closed