The humble light bulb has been around so long that it feels a bit strange to discuss it in the realm of eco-tech. We forget that the light bulb , now found in virtually every single home in America, was once a groundbreaking innovation. Light! At the flick of a switch! Prior to this invention, candles or lanterns were the only way to see after the sun went down. Both posed serious fire hazards and illuminated only the small area around them. Light bulbs changed everything . ‘Just’ one little light bulb Invented by Edison in 1879, the incandescent light bulb could instantly transform any space with light as bright as day. Image Credit: THPStock / Shutterstock Invented by Edison in 1879, the incandescent light bulb could instantly transform any space with light as bright as day. This simple invention has been credited (and blamed) for stretching the length of work days, tampering with our circadian rhythms and, within the last few years, wasting an incredible amount of energy. The issue behind the wasted energy can be found in Edison’s simple design. An incandescent bulb works by using electricity to heat up a thin wire inside the bulb to […]

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