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Multimedia Gallery


Welcome to the National Science Foundation's Multimedia Gallery
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Showing: 8,221-8,250 of 16,731

Image of Mars in the foreground with Earth in the background.   Image Mars is planetary embryo that never collided with other embryos to form an Earthlike planet.
Updated May 18, 2011
Image of Mars.   Image Mars is some 4,221 miles in diameter; Earth's diameter is 7,926 miles, about twice that of Mars.
Updated May 18, 2011
Images of the inner planets of our solar system, Mercury, Venus, Earth and Mars.   Image The relative size of the inner planets of our solar system: Mercury, Venus, Earth and Mars.
Updated May 18, 2011
Image of the busy, central region of our Milky Way with a circle delineating a star that brightens.   Video Lone planet under a cosmic magnifying glass.
Video type: Brightcove Video Cloud
Updated May 18, 2011
Image of graphene platelets around silicon nitride grain boundaries.   Image Graphene in platelet form can toughen ceramics by over 200 percent.
Updated May 18, 2011
Image of liquid crystal droplets in the presence and absence of endotoxin.   Video Liquid Crystal Droplets Indicate the Presence of Endotoxin
Video type: Brightcove Video Cloud
Updated May 18, 2011
Photo of a horseshoe crab.   Image Endotoxin tests currently rely on the blood of horseshoe crabs, which is blue in appearance.
Updated May 18, 2011
Photo of carbon dioxide delivery pipes and valves.   Image Carbon dioxide delivery pipes and valves are part of the BioCON experiment.
Updated May 18, 2011
Photo of ecologist Susan Barrott with student research crew.   Image Ecologist Susan Barrott works with students Kally Worm, Lauren Losek and Emily Hockman.
Updated May 18, 2011
Photo of the portable carbon dioxide gas exchange system which measures grass leaf photosynthesis.   Image The portable carbon dioxide gas exchange system measures grass leaf photosynthesis.
Updated May 18, 2011
Photo of Tali Lee with student intern Ann Karpinski taking measurements of plant response to CO2.   Image Tali Lee takes measurements of plant response to CO2 with student intern Ann Karpinski.
Updated May 18, 2011
Photo of two 20-meter-diameter BioCON study rings each with two-meter by two-meter plots.   Image Two 20-meter-diameter BioCON study rings are shown, each containing two-meter by two-meter plots.
Updated May 18, 2011
Photo of a wild lupine at NSF's Cedar Creek Long-Term Ecological Research site in Minnesota.   Image A wild lupine blooms at NSF's Cedar Creek Long-Term Ecological Research site in Minnesota.
Updated May 18, 2011
Illustration of a Jupiter-like planet floating freely without a parent star.   Image Alone in space: astronomers find new kind of planet.
Updated May 18, 2011
Photo of students observing a high-temperature furnace used to produce graphene on a silicon wafer.   Image Students observe a high-temperature furnace used to produce graphene on a silicon wafer.
Updated May 18, 2011
Optical micrograph showing an array of graphene transistors prepared on silicon carbide.   Image An array of graphene transistors prepared on silicon carbide.
Updated May 18, 2011
Satellite image from 160 kilometers north of the Fukushima power plant.   Image Satellite image from 160 kilometers north of the Fukushima power plant.
Updated May 17, 2011
Graph of latitude vs. longitude contoured for speed showing the path of ocean currents off Japan.   Image A single frame from an animation showing the path of ocean currents off Japan.
Updated May 17, 2011
Photo showing plastic containers filled with seawater from the central Pacific ocean.   Image Hundreds of liters of seawater are sampled for radioactivity from the central Pacific Ocean.
Updated May 17, 2011
Gamma-spectrum of a 20-liter seawater sample from Guam collected on April 11, 2011.   Image Gamma-spectrum of a 20-liter seawater sample from Guam collected on April 11, 2011.
Updated May 17, 2011
World map showing Cesium-137 levels in the surface ocean as of 1990.   Image Radiation level in the oceans in 1990, mostly from nuclear weapons testing, measured in Becquerels.
Updated May 17, 2011
Illustration showing human sources of Cesium-137 compared to natural radionuclides in the ocean.   Image Human sources of radiation in the atmosphere, compared with natural radionuclides in the ocean.
Updated May 17, 2011
Image of the Ambrose Diaphonic Ear Lens.   Video Research suggests a cause, and potential solution for listener fatigue caused by in-ear headphones.
Video type: Brightcove Video Cloud
Updated May 16, 2011
Illustration showing ear anatomy with stress from non-sealing earbuds.   Video Ear anatomy with stress from sealing earbuds and with new non-sealing ones.
Video type: Brightcove Video Cloud
Updated May 16, 2011
Image of Stephen Ambrose of Asisus Technologies.   Video Stephen Ambrose describes how sealing a speaker in the ear canal boosts sound pressures.
Video type: Brightcove Video Cloud
Updated May 16, 2011
Image of NSB public service awardee Dennis Bartels, executive director of the Exploratorium.   Video Dennis Bartels, executive director of the Exploratorium, talks about it's commitment to education.
Video type: Brightcove Video Cloud
Updated May 16, 2011
Image of the Public Service Awardee Moira Gunn, founder and host of Tech Nation and BioTech Nation.   Video NSB's Public Service Awardee Moira Gunn discusses the radio program she founded, Tech Nation.
Video type: Brightcove Video Cloud
Updated May 16, 2011
Image of 2011 Alan T. Waterman Awardee Casey Dunn of Brown University.   Video NSF's 2011 Alan T. Waterman Awardee Casey Dunn of Brown University discusses his research.
Video type: Brightcove Video Cloud
Updated May 16, 2011
Image of Vannevar Bush Awardee Charles Vest, president of the National Academy of Engineering.   Video NSB's 2011 Vannevar Bush Awardee Charles Vest discusses the state of science in America.
Video type: Brightcove Video Cloud
Updated May 16, 2011
Photo of NSB's France Córdova presenting NSB's Public Service Award for a group to Dennis Bartels.   Image NSB's France Córdova presents the NSB's Public Service Award for a group to Dennis Bartels.
Updated May 13, 2011
Showing: 8,221-8,250 of 16,731


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