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Tag Archives: Cornell University

Light dancing on glass

By Stephen Ornes / May 15, 2013

This image, taken with a powerful microscope, shows tiny, individual crystals of bismuth telluride. A new structure made from this material lets light travel easily and without interruption along its surface. Credit: A13ean/Wikipedia

New type of material lets light travel across its surface without interruption

Posted in Light & Radiation, Physics, Technology & Engineering | Tagged conductor, Cornell University, crystal, electrons, Friedrich Schiller University Jena, Germany, getinvolved, Haifa, insulator, Ithaca, Jacob Taylor, Joint Quantum Institute, light, materials science, Michal Lipson, Mordechai Segev, New York, photons, physics, superconductor, Technion-Israel Institute of Technology, topological insulator, topology, University of Maryland

‘Print’ almost anything

By Stephen Ornes / April 28, 2013

Caption: For Valentine’s Day this year, a Japanese company used a 3-D printer to produce chocolate copies of people’s faces. Credit: FabCafe/Think 3D/K’s Design Lab

3-D printers allow people to build almost anything they can imagine — from toys to food, buildings to body parts

Posted in Technology & Engineering | Tagged 3-D inks, 3-D printer, 3-D printing, additive manufacturing, artificial heart, August Rodin, Barack Obama, Cambridge, Cody R. Wilson, Cornell University, diabetes, engineering, ESA, European Space Agency, Fashion Week, feature, guns, Harvard University, Ibrahim Ozbolat, Industrial Revolution, insulin, Iris van Herpen, Ithaca, Jennifer Lewis, King Richard III, Loughborough University, makers, manufacturing, Mars base, moon base, NASA, pancreas, printed food, Richard Harris, sintering, space architecture, State of the Union, topstories, University of Iowa, University of Leicester

Building a better battery

By Sid Perkins / April 8, 2013

Researchers designed a way to make better batteries using supersmall sulfur particles coated with titanium dioxide. Credit: Seh et al., Nature Communications (2013)

Researchers develop a way to make batteries that hold more charge and don’t weaken with age

Posted in Chemistry, Computers & Electronics | Tagged Battery, Cornell University, getinvolved, lithium-sulfur battery, materials science, nanostructure, polysulfides, Stanford University; Hector Abruña, sulfur, titanium dioxide; Yi Cui, topstories

The teenage brain

By Amanda Leigh Mascarelli / October 17, 2012

The brain releases dopamine when something makes us feel good — like pulling off an exciting trick. The strength of this “feel good” response in teens helps explain why they sometimes chance real risks. Credit: iStockphoto

Adolescence triggers brain — and behavioral — changes that few kids or adults understand

Posted in Brain & Behavior | Tagged Adaptation, adolescence, Beatriz Luna, behavior, BJ Casey, brain, Brown University, Cornell University, decision making, Eveline Crone, evolution, feature, impulsiveness, incentives, learning, Leiden University, Michael Frank, nerve, neuron, prefrontal cortex, reward center, risk taking, synapses, synaptic pruning, teenager, temptations, topstories, University of Pittsburgh, ventral striatum