Imaging sensor converts invisible X-ray images into digital signals.

Speed up your hotspot searches and then get connected with this thorough Wi-Fi detector.

A huge, underground abandoned former gold mine has been painstakingly emptied to give scientists a 5,000 feet deep lab to research dark matter

Readily finding wireless hotspots, usable public wireless hotspots, can be a pain when you've got to power your laptop to see if any are available in the immediate vicinity. Enter the Kensington Wi-Fi Finder, a hand held hotspot detector.

World's largest superconducting magnet ready to tackle the big questions ofthe universe.

Excellent value for money, but a few performance glitches.

Excellent value for money, but a few performance glitches let BitDefender down.

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package

A new interface and extra web-protection capabilities make AVG our top free antivirus choice

No matter how much we tell ourselves that we are rational, scientific human beings a Friday 13th still sends a tremor up some spines.

A highly usable all-round security suite, but ultimately a strong runner-up rather than a new champion.

Real-time effect of anticancer drugs seen in 3D.

A competent suite delivering good value for money, but it offers only average spyware and spam protection

Impressive and free antivirus and antispyware package