The light-emitting diode (LED) was developed in the 1960s.
✓ TRUE FACT
Practical LEDs emerged in the 1960s, initially as small indicator lights. Modern high-efficiency LEDs can produce 100+ lumens per watt, which is far more efficient than old incandescent bulbs.
🤯 "The light-emitting diode (LED) was developed in the 1960s. The tiny glow that outshone its predecessors."