Three laser experiments today: laser-induced electroless copper plating, laser-assisted electroplating on stainless steel, and laser-induced chemical liquid phase deposition onto glass. Whoo!

Comparison of a 5W laser, 10W, and 20W diode laser. All these machines have their pros and their cons, but this is a quick comparison of their ability to cut and engrave. I do not have a lot of ...

A rout in the S&P 500 Index has boosted demand for short-term hedges, flipping the Cboe VIX Futures curve into a rare inversion. Traders who had been lining up options to hedge against a steep ...