World’s first manned flight with an electric multicopter

On October 21st, 2011, Thomas Senkel of e-volo made the first manned flight with an electric multicopter, the so called volocopter VC1, at an airstrip in the southwest of Germany. The flight lasted 90 seconds, after which the constructor and test pilot stated: “The flight characteristics are good natured. …

Print on Fabric Using Sunlight

The Lumi Process is a revolutionary photographic print process for textiles and natural materials. The process is based on Inkodye, mixable, dilutable, water-based dyes, which develop their color in sunlight. Currently available in three colors: red, orange and blue. Inkodye can bind to any vegetal or animal …

The Bicycle Frame Handle

Bicycles are great things to ride, but awkward things to carry. I live in a walk-up, and every so often run into my female neighbor hoisting her bicycle up to her shoulder to schlep it up the stairs. If I run into her at the bottom, I’ll offer to carry it up for her; if I run into her mid-staircase I …