Korean Peninsula
Planet Observer and SPL and Photo Researchers
Columbian Expo, Electricity Building
Science Source
Needle-like Cone Tornado
Jason Persoff Stormdoctor
Nurses On Night Rounds 1899
Science Source
Thunder Storm, Wyoming
Mark Newman
Lighting Birthday Candles, 1 Of 3
Photo Researchers, Inc.
Lighting Birthday Candles, 3 Of 3
Photo Researchers, Inc.
Lighting Birthday Candles, 2 Of 3
Photo Researchers, Inc.
Lighting Birthday Candles
Photo Researchers, Inc.
Lightning Strike
Ted Kinsman
Electrical Wire
Photo Researchers, Inc.
Prince Ruperts Glass Drops #1
James L. Amos
Mustang Mare
Jean-Louis Klein & Marie-Luce Hubert
Ben Franklin Kite And Key Experiment
Spencer Sutton
Birthday Candles #5
Photo Researchers, Inc.
Great Sand Hills Lighting
Mark Newman
Saskatchewan Prairie Lighting
Mark Newman
Two Men Lighting After Dinner
H. Armstrong Roberts/ClassicStock
Native American Indian Lighting Fire
British Library
Halogen Lighting, Thermogram
Science Stock Photography
Halogen Lighting, Thermogram #1
Science Stock Photography
Halogen Lighting, Thermogram #2
Science Stock Photography
Public Lighting, 1880s
Science Source
Businessman Lighting Cigar With Burning
Ikon Ikon Images
Fat Businessman Lighting Fuse To Planet
Ikon Images
Debutante Lighting Cigarette, 1920s
Science Source
Bidwell Mansion, Chico State
Ron Sanford
Incandescent Light Bulb
Photo Researchers, Inc.
Benjamin Franklin American Polymath #9
Science Source
Bellagio Hotel
Mark Newman
Incandescent Bulb
Clive Streeter / Dorling Kindersley / Science Museum, London
Floodlights On A Pylon
Andy Crawford / Dorling Kindersley
Visitors Light Candles At A Buddhist
Inga Spence
Pneumatic Gas Switch, 19th Century
Science Source
Columbian Exposition Electrical
Science Source
Columbian Exposition Electrical #1
Science Source
Man With Lightning, Arizona
Kent Wood
Birthday Candles
Photo Researchers, Inc.
Led Light
Photo Researchers, Inc.
Sulfer Light Bulb
DOE / Science Source
Benjamin Franklin, Electricty
Science Source
Incandescent Light Bulb
Photo Researchers
Benjamin Franklin, American Polymath #2
Science Source
Benjamin Franklin, American Polymath #4
Science Source
Electrical Cable #1
Photo Researchers, Inc.
Light Bulbs
Photo Researchers, Inc.
Benjamin Franklin, Electricty #1
Science Source
Tokyo At Night
NASA/Science Source
Benjamin Franklin, American Polymath #7
Science Source
X-ray Of A Fluorescent Light
Ted Kinsman
X-ray Of A Laser Tube
Ted Kinsman
Ripe Bananas In Uv Light 22
Ted Kinsman
Spectra Of Energy Efficient Lights
Ted Kinsman
X-ray Of A Fluorescent Light #2
Ted Kinsman
X-ray Of A Laser Tube #2
Ted Kinsman
Unannealed Glass
James L. Amos
Annealed And Unannealed Glass
James L. Amos
Shanghais Bund Area
John Shaw
The Bund, Shanghai #4
John Shaw
Las Vegas Strip
Mark Newman
Turnigain Arm
Ron & Nancy Sanford
Evening Skyline
Rafael Macia
George Washington Bridge #2
Rafael Macia
Flashlight Using White Leds
GIPhotoStock
Light-emitting Diodes
GIPhotoStock
White Led #2
GIPhotoStock
White Leds Shining On Blue Paper
GIPhotoStock
Yellow Lamp
Steve Gorton / Dorling Kindersley
Light Bulb
Mike Dunning / Dorling Kindersley