It’s widely known that ultraviolet light has bacteria killing properties. Unfortunately, its usefulness is limited since it also harms us. But now researchers have developed a high intensity, narrow spectrum wavelength that’s safe enough to be used as lighting in hospitals.
Fresh from this year’s Outdoor Retailer expo comes SteriPEN’s new Sidewinder portable water purifier. You can leave the batteries at home on your next trip, as the Sidewinder only needs a good cranking to power its germ-killing UV bulb.