Active camouflage has taken a step forward at the Harvard School of Engineering and Applied Sciences (SEAS), with a new coating that intrinsically conceals its own temperature to thermal cameras. In a laboratory test, a team of applied physicists placed the device on a hot plate and watched it through an infrared camera as the …
1. First, we could set up a small transorbital railroad office in NASA, and fund it to buy six heavy-lift launches (100 tonnes to low-Earth orbit) and six medium-lift launches (20 tonnes to low-Earth orbit) per year from the private launch industry, with heavy- and medium-lift launches occurring on alternating months. (A tonne is a …
Wall Street Journal coverage of the G7 meeting and currency discussions Alan Ruskin, who heads foreign exchange strategy at RBS Securities, notes there is more evidence of a strengthening U.S. dollar than there is to indicating a weakening in the currency. “The dollar’s rallied quite sharply. There’s a sense that as the U.S. economy is …