Mobile phone-savvy teenagers tempted to cheat on exams by sending text messages or scanning pictures of tests could be thwarted by a device that jams signals inside the school walls.

DoCoMo’s revolutionary new cell phone service with smart-card handsets can be used for a variety of unprecedented functions, including train pass, debit card, credit card and personal identification card, applications previously possible only with IC-equipped smart cards.

Scientists have invented the possible precursor to self-cleaning clothes by coating cotton cloth with titanium dioxide nanoparticles, about 2,500 times smaller than a human hair.

Making mass emailers identifiable is the first step toward curing the epidemic of spam, said Vint Cerf, one of the architects of the internet.

UK defence contractor BAE Systems has developed a stealth wallpaper to beat electronic eavesdropping on company Wi-Fi and wired LANs.

Researchers are finding ways to make vehicles safer, lighter, more powerful — and ultimately less expensive — by building materials one atom at a time.

BPL is a technology that uses radio waves, transmitted over power lines, to provide broadband Internet or other data connectivity. The problem with BPL is simple physics: Radio waves like to fly off into space. When they do, interference results. In order to get broadband speeds, BPL uses a large number of frequencies, some of […]