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An Edison screw lightbulb. A lightbulb joke is a joke cycle that asks how many people of a certain group are needed to change, replace, or screw in a light bulb.Generally, the punch line answer highlights a stereotype of the target group.
Some early 20th-century Polish jokes may have been told originally before World War II in disputed border regions such as Silesia, suggesting that Polish jokes did not originate in Nazi Germany but rather much earlier as an outgrowth of regional jokes rooted in historical discrimination of Poles in German-ruled areas, at least from the 18th-century Partitions of Poland, and actively pursued ...
Since incandescent light bulbs use more energy than alternatives such as CFLs and LED lamps, many governments have introduced measures to ban their use, by setting minimum efficacy standards higher than can be achieved by incandescent lamps. Measures to ban light bulbs have been implemented in the European Union, the United States, Russia ...
As of August 1, 2023, most incandescent bulbs are no longer available in the United States—with some exceptions, like appliance bulbs. Many appliance light bulbs, like in a fridge or microwave ...
The most commonly used A-series light bulb type is an A60 bulb [7] (or its inch-based equivalent, the A19 bulb [2] [4]), which is 60 mm (19 ⁄ 8 in or 2 + 3 ⁄ 8 in) wide at its widest point [3] and approximately 110 mm (4 + 3 ⁄ 8 in) in length. [8] Other sizes with a data sheet in IEC 60064 are A50, A55, A67, A68, A71, A75, and A80.
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While many people may look at wattage (i.e., the amount of energy that a bulb uses to produce light) before buying a light bulb, color temperature needs to be an important factor as well.
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