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In the geezerhood of incandescent bulbs , people chose a bulb based on the turn of watts it produce . Today , kindling choices have expanded , and people shop according to lumens , a unit of smartness . reckon for the Lighting Facts recording label when shop for medulla .

Incandescent bulbs work by inflame a tungsgten filament to 4,000 degrees Fahrenheit ( 2,200 degrees Celsius ) .

Infographic: Facts about different types of light bulbs,

Facts about the different types of light bulbs.

Compact Fluorescent bulbs work by heating a flatulence that produces ultraviolet light . The coating inside the electric-light bulb convince the unseeable ultraviolet light into visible light .

LED bulbs use satisfying - state light - emitting diodes .

a close-up of an electric vehicle�s charging port

Somebody holding the Q.ANT photonic processor

An abstract illustration of rays of colorful light

A study participant places one of the night vision lenses in their eye.

An abstract image of colorful ripples

a rendering of a computer chip

Image shows the Dyson AM10 Humidifier against a white background.

Image shows the Honeywell Top Fill Cool Moisture Humidifier against a white background.

Can you use an electric toothbrush with braces: image shows woman cleaning braces

Image shows the Elechomes HTJ-2119 Ultrasonic Humidifier

Image shows the KOIOS EPI810 air purifier against a white background.

Image shows the Levoit Classic 300S humidifier and the mobile app against a white background.

Infographic: The layers and functions of the human skin.

science budgets for federal government

infographic of nuclear power plant

Fukushima fuel rod infographic

infographic of human body sweat

Today�s GoFIgure looks at phobias, defined as irrational fears of things which are not likely to be dangerous.

An illustration of a hand that transforms into a strand of DNA