Tag Archives: cosmology

6th March 2017 – Gravitational Waves

One of our own Knutsford SciBar members, Dr Ian Duerdoth, has agreed to talk to us this month. Ian says: “I’ll outline our understanding of gravity, firstly as discovered by the brilliance of Newton and then extended by the genius … Continue reading

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6th June 2011 – The Structure of the Vacuum

Professor Simone Marzani of Manchester University will lead our discussion of the vacuum structure. Is it really “nothing at all” or is it stuffed with interesting things designed to appear to be nothing – mostly? This session originated from our … Continue reading

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4th April 2011 – Einstein’s Last Legacy: Detecting Wrinkles in Space-Time

Associate Professor Andrea Lommen of Franklin & Marshall College and Dr Ben Stappers of Jodrell Bank study millisecond pulsars. These are dead stars with about the mass of our sun, collapsed down to about the size of Knutsford (10km across), … Continue reading

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7th February 2011 – Cosmic Rays

Professor Tony Bell from Oxford University led our discussion on cosmic rays. These are the highest energy particles in the universe. Their energies reach about ten million times that of particles accelerated at CERN. Mainly protons, one single particle can … Continue reading

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7th June 2010 – Synchrotron Radiation

Professor Richard Pattrickand will join us to discuss synchrotron radiation which is electromagnetic radiation,¬†generated by the acceleration of ultrarelativistic (i.e. moving near the speed of light) charged particles through magnetic fields. This may be achieved artificially in synchrotrons or storage … Continue reading

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1st August 2005 – Antimatter

Antimatter – does it matter? Professor Roger Barlow of Manchester University High Energy Physics Department led the discussion on “where’s all the antimatter gone?”. Could we fly to another planet only to be annihilated¬† when we find it’s made of … Continue reading

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