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...think about. When looking at it in detail under a microscope, it is fascinating to see how well organised it is to allow the co-ordinated contractions to happen. The contractile cells are specialised muscle cells called cardiac myocytes. The image of heart tissue from a mouse shows the structure of a cardiac myocyte, taken at extremely high resolution, using an electron...

...system. When the piston reaches the bottom of the stroke the inlet valve closes. On the next stroke this air/fuel mixture is then compressed into typically one-tenth of its original volume, creating a highly inflammable mixture which is then ignited using an electric spark on a sparking plug. The gases then burn very rapidly reaching a high temperature (750 °C or more)...

...think that dark energy must exist? This album is an introduction to The Open University course S383 The relativistic Universe... The Relativistic Universe An introduction to this album Telescopes and the universe's evolution The latest technology can look almost all the way back to the Big Bang, and may soon identify the first stars and galaxies Cosmic Microwave...

...thinking there is just the one time the same for everyone. Professor Russell Stannard shows how relativity theory shows this not to be the case. The Nature of Matter Professor Russell Stannard explores the nature of matter and how complete our understanding of matter can be. The Wave Particle Paradox Professor Russell Stannard looks at the Wave/Particle Paradox and Neils...