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Electricity-monitoring technology surges forward at Carnegie Mellon

We may soon be able to see how much each individual appliance in our homes is contributing to our monthly power bill.

How Things Work: LED Incapacitators

By taking advantage of the limit at which the brain can process information, researchers have developed a weapon that does not cause physical harm, but can incapacitate a target by flashing lights.

HealthTalk: Painkillers

Learn how painkillers block the sensation of pain, and the different classes they may fall into.

SciTech Briefs

A retinal implant has been developed in Germany that allows certain patients, who are blind by disease, to detect light.

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