In today's How-To, we're modding an innocent alarm clock to provide five fine volts of USB juice right on the nightstand.

So I went looking on the web for a portable alarm clock (battery powered) with a low frequency sound output, or a user configurable sound (ie, it can record a sound), but came up empty.

Researchers have developed an alarm clock that monitors your brain activity and triggers its alarm within a time window you set in advance but only when your brain is in a more easily roused state ...