Urine Can Power Cellphones

Researchers at two British universities have successfully powered a cellphone using urine. The project involves microbial fuel cells, which are ceramic cylinders filled with bacteria. As the bacteria eats fuel supplies, it creates a small electrical charge as a by-product. The technique works with micro-organisms that would normally, where oxygen is present, produce water as […]


BRCK: An African Modem Unfazed by Power Outages

A Kenyan firm has unveiled a modem designed to deal with the unreliable power supply and connectivity issues in the African market. The BRCK device is designed to deal with the fact that although many areas of Africa have good Internet access and/or cellphone coverage, electricity supplies can often be unreliable and cut out with […]

Comcast turns customer routers into public WiFi hotspots.

Comcast has revealed that it plans to use home customer’s routers to expand its public WiFi network. But it insists the system works on a separate signal and won’t affect privacy or service. The company is calling the idea a “neighborhood hotspot initiative.” If you subscribe to Comcast’s Xfinity service and have a wireless gateway […]

Cellphone firm offers free voice, texts and data package

A firm that already offers free fixed-line and mobile broadband services is now offering a totally free of charge cellphone package including voice calls and texts. And not surprisingly there are some major catches. The company, Freedom Pop, offers a range of freemium services. Last year it launched a special iPhone case with a built-in […]

Motorola Wants Passwords on Your Arm

The chief of Motorola says the company is interested in using electronic “tattoos” in place of passwords for security on smartphones. Dennis Woodside says the idea works in testing, though concedes it might not be in handsets for some time. The testing used a device from Massachusetts firm MC10. Despite the “tattoo” name, it’s actually […]

Ebay style feedback could secure military networks

The US military is working on ways to improve security on wireless networks. It’s suggested adopting some of the tactics used by credit card firms and eBay. The project is the work of the Defense Advanced Research Projects Agency, which is effectively the military’s gadgets division. It’s previously worked on making a robot that can […]