North Korea upgrades jamming devices: report

North Korea is upgrading jamming devices to disrupt South Korean military communications, Yonhap news agency said Tuesday, citing a defence ministry report.

Honey, I shrunk the receiver

(PhysOrg.com) -- CSIRO and Australian company Sapphicon Semiconductor Pty Ltd have signed an agreement to jointly develop a complete radio receiver on a chip measuring just 5 mm x 5 mm that could eventually be used in mobile ...

Tech accessories can spice up holiday list

As much as I love buying big-ticket items such as TVs, computers, cell phones and cameras, I also love buying accessories for those items just as much, maybe even more.

Smartphone app illuminates power consumption

(PhysOrg.com) -- A new application for the Android smartphone shows users and software developers how much power their applications are consuming. PowerTutor was developed by doctoral students and professors at the University ...

Variables play into how well wireless works

In a recent column, Dianne Dunlap, a customer support engineer specializing in wireless technology for Cisco Systems, gave a thorough breakdown of how to check whether wireless Internet connectivity problems are due to wireless ...

U-verse offers TV alternative and more

OK, I admit it. When I am asked to test questionable software, I usually install it first on my wife's computer. And my kids are crash-test dummies ramming head-first into all sorts of dubious products. But they don't care ...

Signal opportunities on the slopes -- with RFID

(PhysOrg.com) -- Whether slalom or alpine skiing, competitive skiing is all about thousandths of a second. Hence, professional athletes must constantly refine their technique. Small radio transmitters will make it possible ...

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