Connecting the components together, cramming everything into the flashlight and covering the LCD screen with some X-ray film to dim the display for its intended nocturnal purposes resulted in a ...

Shadows are a natural consequence of opaque walls in an illuminated Universe. Light shines; photons travel until they hit an ...

Imagine, you're casually tidying up the kitchen after dinner when the power suddenly goes out. Unfortunately, you don't have an emergency light installed and your flashlight's battery is dead.