1. Changes in pupil size in response to light

    01:46

    from Sebastiaan Mathot Added 80 0 0

    This video shows how the size of the pupil changes in response to light. When a bright stimulus is presented, the pupil rapidly constricts (becomes smaller). When a dark display is presented, the…

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    • Das Sonnensystem – Unser Zuhause im Weltall

      07:20

      from Kurzgesagt Added 618 15 2

      Wir nehmen den Betrachter mit auch eine Reise durch das Sonnensystem – auf visuell neue Art und Weise. In reduzierter Form und weit weg von dem üblichen Dokumentationen über das Weltall.…

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      • Density and temperature around a forming star

        00:35

        from astrofrog Added 2,901 1 0

        This movie shows the density and temperature structure around a forming protostar that is surrounded by an accretion disk and driving a bipolar outflow. The simulation was carried out by S. Offner…

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        • Guy Demortier: Micro-analytical evidence that natural limestone of Maadi and Turah are different from Kufu and Kafrè pyramid

          45:58

          from Geopolymer Institute Added 178 0 0

          Prof. Prof. Guy Demortier, from Namur University, Belgium, presented his conference "Micro-analytical evidence that natural limestone of Maadi and Turah are different from Kufu and Kafrè…

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          • Gas cloud falling in towards the black hole at the centre of the Milky Way

            00:20

            from ESO Observatory Added 43 0 0

            These observations from ESO's Very Large Telescope show a small gas cloud as it falls towards the supermassive black hole at the centre of the galaxy. The cloud appears in red and many of the…

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            • Gas cloud being ripped apart by the black hole at the centre of the Milky Way

              00:22

              from ESO Observatory Added 42 0 0

              These observations from ESO's Very Large Telescope, using the SINFONI instrument, show the behaviour of a small gas cloud as it passes close to the supermassive black hole at the centre of the…

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              • Simulation of gas cloud being ripped apart by the black hole at the centre of the Milky Way

                00:38

                from ESO Observatory Added 125 5 0

                This simulation shows a gas cloud, discovered in 2011, as it passes close to the supermassive black hole at the centre of the galaxy. Observations with ESO's Very Large Telescope in 2013 show…

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                • Chemistry The Central Science 12th Edition by Theodore Brown PDF Ebook Full

                  01:07

                  from Beaufort Legault Added 184 0 0

                  Get it here: http://bit.ly/ChemCenSci12thPDFFreeđ The cover of this new edition of Chemistry The Central Science PDF features a striking illustration of the structure of graphene, a recently discovered…

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                  • Launch: Maximum Thrust [Rocket Audio]

                    03:00

                    from Profitic Added 160 1 0

                    Experience the excitement of the space shuttles' rise to orbit. Launch: Maximum Thrust simultaneously shows up to five camera angles of the ascent from main engine ignition through Solid Rocket…

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                    • Eye Test

                      00:22

                      from Dakota Sillyman Added 1,882 0 0

                      Just messing around with some new lights. Noticing how cool eyes are.

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