SciShow
Plasma, The Most Common Phase of Matter in the Universe
Get to know plasma, the most common, but probably least understood, phase of matter in the universe!
SciShow
Plasma, The Most Common Phase of Matter in the Universe
Get to know plasma, the most common, but probably least understood, phase of matter in the universe!
National Institute of Standards and Technology
NIST Vision Science Lab: Illuminating the Way to Better Lighting
In a unique laboratory at the National Institute of Standards and Technology (NIST), vision scientists can simulate lighting from virtually any source, including incandescents, fluorescents or LEDs. With this capability, they can test...
NASA
NASA | Seeing Photosynthesis from Space
NASA scientists have discovered a new way to use satellites to measure what's occurring inside Earth's land plants at a cellular level. During photosynthesis, plants emit what is called fluorescence -- a form of light invisible to the...
Getty Images
Compact Flourescent Lamp CFL Swap Single Black B.G.
Compact Flourescent Lamp CFL Swap Single Black B.G.
Getty Images
Male Body Issues: Torso, Stomach, Ribs, Chest in Light
Male Body Issues: Torso, Stomach, Ribs, Chest in Light
Getty Images
energy-saving bulb
The girl replaces old unsparing light bulbs with new energy-saving bulb
Getty Images
Medium hand-held-Turkeys share a pen in a poultry farm barn. / Blomkest, Minnesota, USA
Medium hand-held-Turkeys share a pen in a poultry farm barn. / Blomkest, Minnesota, USA
Getty Images
Glass Balls Fluorescent Light Reflection Background Loop - Green Glow
Glass Balls Fluorescent Light Reflection Background Loop - Green Glow
Getty Images
energy-saving bulb
The girl replaces old unsparing light bulbs with new energy-saving bulb
Getty Images
HD LOOPING: Fluorescent tubes
Fluorescent tubes coming on and off. Shot on a Red One digital cinema camera.
Getty Images
(HD1080i) Male Body Issues: Torso, Stomach, Ribs, Chest in Light
(HD1080i) Male Body Issues: Torso, Stomach, Ribs, Chest in Light. HD 16:9 NTSC 1920 x 1080i with 30 fps. Motion-B Compression. Natural background audio -- or no audio. This high quality digital file can be imported and edited in...