Frigid temperatures are expected to impact much of the central and eastern United States in the coming weeks. The first of three polar vortex systems is expected this month, according to AccuWeather.

Description: The Dual Impact Zone in the Crescent Vortex Bit Holder extends the life of bits up to 500 times when using bits with an impact driver. This design feature absorbs the shock of repeated, ...

Physicists in Europe and the US have developed a new technique for reversing the "core polarization" of the tiny magnetic whirlpools that exist in certain materials. The reversal, which can be ...