Traditional incandescent bulbs typically produce about 13.5 lumens per watt, while LED bulbs produce 75 to 100 lumens of light per watt of power. LED bulbs use only ~0.01 kilowatts per hour (kWh).

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If you're replacing a 100-watt bulb, look for a bulb with 1600 lumens. ... (CRI) on a scale from zero to 100. Incandescent and halogen bulbs have a perfect CRI of 100.

The scientists coated the interior of an aluminum lampshade using the catalyst and kept the shade more than a 100-watt halogen bulb in a test chamber that consists of air and acetaldehyde gas.

Halogen bulbs convert a mere 10% of the power they use into light, with the other 90% being transformed into heat, according to Lee. Incandescent bulbs are even worse, emitting 5% light and 95% heat.

In lab tests, the coating was applied to the inside of an aluminum lampshade, then heated to about 250 ºF (121 ºC) by a 100-watt halogen bulb located inside that shade.

Halogen bulbs convert a mere 10% of the power they use into light, with the other 90% being transformed into heat, according to Lee. Incandescent bulbs are even worse, emitting 5% light and 95% heat.

In a paper published last fall, the team reported that they had synthesized thermocatalysts made of titanium dioxide and a small amount of platinum. The researchers coated the inside of an aluminum ...

SAN FRANCISCO, Aug. 16, 2023 — Indoor air pollution may have met its match. Today, scientists will report that they have designed catalyst-coated lampshades that transform indoor air pollutants into ...

The incandescent light bulb still isn’t dead — but ‘normal’ ones are now truly banned. 45 lumens per watt is now the bar.