There has to be a program that does this - user configurable Service Level monitoring of other systems, with 'actionable' events [more inside]
posted by dyerfr on Aug 26, 2008 - 7 answers

Replacing a halogen bike light bulb with LED [more inside]
posted by primer_dimer on Oct 23, 2006 - 8 answers

Electronics question - can I recharge batteries while using them? [more inside]
posted by psychobum on Feb 21, 2006 - 7 answers