Green screens are used to add backgrounds to your favorite movies and TV shows, but why are they green? Here's an explanation ...

ScAlMgO 4 substrates provide a foundation for producing LEDs with lattice-matched, indium-rich quantum wells A collaboration ...

NASA astronaut Matthew Dominick captured this amazing view from the International Space Station using a new 15mm lens (T1.8, 1/3s exposure) that was delivered on a recent Cygnus cargo ship. Credit: ...

Green chemistry involves the development of chemical products and processes that minimize the use and generation of hazardous and unwanted substances. Current lithium-ion battery cathode ...

205.7 x 170.5 cm. (81 x 67.1 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

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