With a combination or red light and full-spectrum infrared tech inside, this at-home sauna can heat your body without overheating your home.

Let me say right up front that I hit up Google first with this question. The problem is that I get a lot of advert type hits, and little to no informational hits. The few info hits I get have ...

Kerala University has secured a patent for an innovation in a light-emitting material that is capable of producing the full visible spectrum of colours from a single host material.