by Greg Easter of Natures Pic This is a fascinating video tutorial on how to produce stunning simple water drop (Part I) and water drop collision images (Part II). There is a difference between...
Did You Know?
Farraday shutter : high-speed shutter using a pair of crossed polarizers, between which is a glass block within a coil. When a voltage passes through the coil, the plane of polarization changes, allowing light to pass through the second polarizer.