Bizarre stuff ... (freeweb.pdq.net/headstrong/)
Okay, it's the silly season here. "Bizarre stuff you can make in your kitchen" is a Web site dedicated to aging Blue Peter fans and washing-up bottle-hackers the world over. Some of this "stuff" is actually useful - fake glass and blood could come in handy at the kids' school play, for example, and invisible ink can suffice until your company sorts out its Email encryption policy - but generally the "stuff" is totally useless but incredibly funny. Did you know a gherkin will glow if a current is passed through it? Or that you can get an electric current from a lemon?
How do you build a radio receiver from razor blades, a toilet roll and a coat hanger? One word of warning: if you try this at home, don't let anyone catch you!
Molybdenum ditelluride is a two-dimensional material that can be easily stacked into multiple layers to create a memory cell
New light-guiding nanoscale device can control and monitor a nanoparticle trapped in a laser beam with high sensitivity
Optical traps are scientific instruments in which a focused laser beam is used to exert an attractive or repulsive force on a microscopic object to hold it in place
Scientists estimate that the exoplanet has already lost up to 35 per cent of its mass over its lifetime
The observations were made using the Atacama Array in the Chilean desert