Most cameras have infrared filters, which block infrared light so that they capture the clearest images. To make a webcam see infrared light instead of just light on the visible spectrum, you'll ...

Scientists invented a new device that can block the heat from infrared light, rendering troops nearly invisible to drones’ heat-detecting cameras. Getty Images ...

Glass that blocks out heat but not light when a room starts getting excessively warm has been developed by UK scientists. At most room temperatures the glass lets both visible and infrared light ...

Mizuno Corp. has developed uniforms with a special fabric to block infrared cameras from capturing images under the clothing.

If more lithium ions and electrons are injected, the material then transitions into a dark phase, blocking both visible and infrared wavelengths of light.