Temperature control
Scientists come a step closer to making Star Trek’s tractor beam a reality
Science fiction has long envisioned “tractor” beams that could grab and move physical objects using a laser or other stream of energy. Now scientists have created one, at least on a small scale. And we have some advice if you use heat in the winter. Most Brits, and many of us, apparently don’t know how to use our thermostats. Also, Chinese officials go on a worldwide corruption hunt, in today’s Global Scan.
