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Multimedia

  • 3-D View of HIV Infection

    A rotating three-dimensional view of an HIV infected T cell (green) forming virological synapses with three healthy CD4+ cells (red). The viral structural protein, shown in green, accumulates in button-shaped structures at the contact sites.

  • HIV Transmission Between Cells

    This movie shows high speed imaging of HIV transfer across a virological synapse. The video begins with a still view of two T cells with transmitted light and an outline of a spot where a synaptic button has formed between them. The movie then shows the movement of fluorescent viral protein into the synaptic button, followed by transfer of material from the button into the target cells. Note the movie focuses on the movement of the viral protein without indicating the outlines of the recipient cell.

  • Infected HIV Cells

    The video shows a cell that has engaged in a synapse becoming infected days later. Infection was captured by continuous long term imaging over 3 days. The HIV green fluorescence image is presented on the left while an overlay of green fluorescence and bright field image is shown on the right. Images were acquired every 10 minutes over 67 hours.

  • A Heatstroke-Sensing Helmet

    Hothead Technologies has developed a system that can sense and warn a user of heatstroke. In this video, an RFID transmitter is fitted in a headband and a white temperature-sensing patch touches the wearer’s forehead. Readings are beamed to a PDA (not shown). When the wearer’s temperature hits 102.5 and stays there for 20 seconds, an alarm sounds on the PDA.

  • Chrome Experiments

    The applications uploaded to the project homepage are designed to show off the browser’s capabilities.

  • A Better Biofuel Bug

    Scott Laughlin, CEO of Zymetis, discusses his company’s work to genetically modify bacteria that efficiently converts biomass to sugar.

  • Gravity Satellite Blasts Off on Climate Mission

    The Gravity field and steady-state Ocean Circulation Explorer (GOCE) is a new satellite developed by the European Space Agency to measure the earth’s gravity field. Here, researchers discuss the mission and how it will impact climate-change research.

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