A bullish engulfing candle is a dual candlestick pattern, which might signal an upcoming uptrend. The pattern applies after there's been a period of consolidation or downtrend. The two-candlestick ...

Have you seen Chladni figures? They’re patterns made when sand is exposed to sound waves on metal plates. They can be amazingly intricate. And now scientists could be making them with living cells.

A low-power light image projected on a photoconductive layer can initiate non-uniform electric fields over a large area, and allow the manipulation and sorting of particles without wires and ...