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Tag Archives: optics

Twinkle, twinkle oldest stars

By Stephen Ornes / November 21, 2012

Blazars are bright galaxies that send high-powered radiation jets directly toward Earth. They can be used to detect the light in the universe left over from every star that ever shone. In this image, the blazars are shown as green dots; the Milky Way glows orange in the middle. Credit: NASA, DOE, Fermi LAT Collaboration

Astronomers find traces of ancient light in the activity of bright, distant galaxies

Posted in Space | Tagged astronomy, astrophysics, Big Bang, blazar, cosmic fog, cosmology, Fermi telescope, galaxy, gamma rays, getinvolved, Kavli Institute, light, optics, photon, photons, radiation, star, telescope, topstories, University of Texas at Austin, Volker Bromm

Science champs

By Helen Fields / November 4, 2012

Raymond Gilmartin (at white board) took home the top prize at this year’s Broadcom MASTERS for his project investigating car spoilers. Credit: SSP

Young scientists focus their research on real-world problems

Posted in Young Scientists | Tagged acoustics, Anna Lou, antenna, bait, Bill Wallace, Blokus, Broadcom MASTERS, David Li, feature, fuel efficiency, Georgetown Day School, groundwater, Jessika Baral, LED, light emitting diodes, Marconi/Samueli award, Maria Elena Grimmett, middle school, optics, Paige Gentry, parabola, peripheral vision, rabies, Raymond Gilmartin, sails, science competition, science fair, spoiler, Stephanie Lemnios, tannins, topstories, vaccines, vision, water pollution, Will Monts, wireless