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...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 Background radiation The Planck Surveyor is designed to...

...introduction to wavelengths and looks back to the discovery of electromagnetism and the invention of radio. To demonstrate just how vital waves are, the two captains turn off their modern communication tools and try traditional methods of keeping in touch. In addition, two bonus video tracks explore Newton's laws of motion and Einstein’s special theory of relativity,...

...Hr) occurs in the bloodstream of certain marine worms. Its higher-order structure has similarities to Hb (which we can consider to be a Mb tetramer), in that Hr is often found as an octameric unit, with a total relative molecular mass of about 8 × 13 500 = 108 000. At its active site, Hr contains two iron atoms. However, despite the ‘haem’ in its name, the protein...