Once comfortable with the basics, explore 3D tools such as light targeting and light linking. These enable you to point ...

Most modern lighting operation is fairly straightforward – switches flip on/off, maybe even dim. More recently connected bulbs have offered the additional benefits of wireless settings, and some even ...

When we interpret a shaded picture as a three-dimensional (3D) scene, our visual system often needs to guess the position of the light source in order to resolve a convex-concave ambiguity. For more ...

Today I would like to present the turbine-powered optical isolator, a steampunk-sounding bit of hardware that only allows light to pass in one direction. That, I must admit, is a sentence I never ...

With two light barriers closely positioned one after the other it is possible to establish in which direction they have been crossed. If, for example, you place it at the entrance of the toilet then ...

Do you sell things on Etsy or occasionally throw something up on Ebay or Craigslist? Would you like to know the secret to taking better product photos that help you sell your items, rather than hinder ...

The insects flying in circles around your porch light aren’t captivated by the light. Instead, they may have lost track of which way is up, high-speed infrared camera data suggest. Moths and other ...