Microsoft Windows 7 Upgrade Advisor is now freely available. If you already have Vista installed, there's a very strong chance you'll have no problems with Windows 7. As we said, with older computers there's more of a chance you'll need to upgrade some hardware (if that's possible!), so this Advisor will be designed for you.
Windows 7 Upgrade Advisor link.
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
J1043+2408 was observed for more than 10 years, and its radio light curve exhibited a periodic signal repeating in about 563 days