A unique mechanical design aspires to remove heat from this LED light bulb’s insides, but you still need to keep external ventilation in mind.

Liquid metal controlled by low voltage reversibly switches color and infrared response in nanoscale surfaces, enabling low power reflective displays, sensors, and optical security features.

MP Martin Wrigley said: "LED headlights can be up to 10 times brighter than traditional halogen bulbs and that the glare they produce can lead to photostress with recovery times of up to 30 to 60 ...