IN this book will be found a popular and readable account of numerous problems relating to lighting and vision. A large number of important psychological and physiological experiments carried out ...

Apple Vision Pro is now available for pre-order, and so are lots of accessories for Apple’s first spatial computer. The price for most things? $200 each. That’s how much extra light seals, batteries, ...

In addition to allowing us to see, the mammalian eye also detects light for a number of "nonvisual" phenomena. A prime example of this is the timing of the sleep/wake cycle, which is synchronized by ...

Light-emitting diodes (LEDs) are the new standard for off-road lighting. They draw very little amperage, are virtually indestructible, and are small and easy to package. Most LEDs are used in light ...