Tag Archives: AC
DC for data centers
Telephony and electricity have been always intertwined. AC (alternating current) won over DC (direct current), but DC lived on in the wireline network, where it powered the telephone independently of the electrical grid. Now, with increasing interest in data centers and in their energy efficiency, DC is coming back, according to the NYT. But those [...]
SMS as part of Early Warning System
SMS enlisted for Tsunami warning system? By Ben Charny, CNET News.com Monday, January 10 2005 11:55 AM At least five countries have begun developing an alert system using cell phone text messages, a response to the catastrophic Asian tsunami that exposed flaws in present-day early warning schemes. Discussions among officials in India, Indonesia, Sri Lanka [...]
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