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One of the greatest challenges in fundamental physics is to reconcile quantum mechanics and general relativity in a full theory of "quantum gravity”. It is a challenge that has by turns excited and frustrated physicists, for nearly a century.
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Kenneth Coles, co-author of, The Atlas of Mars 2019, describes features on the Martian surface. Will you be able to spot the "Mountains of Mitchell" or the seasonal polar retreat this summer?
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Lasers...'a solution looking for a problem'? Gregory J. Gbur author of Mathematical Methods for Optical Physics and Engineering, 2011 debunks this early misconception with a clear explanation of what a laser is, and exactly how it works!
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From Einstein to Maiman and beyond. Gregory J. Gbur author of Mathematical Methods for Optical Physics and Engineering, 2011 introduces the major personalities involved in the conception and development of the laser.
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To celebrate the 60th anniversary of the first laser Joseph Braat co-author of Imaging Optics, 2019 describes his personal experiences in applied physics research dealing with lasers as special light sources and the enormous and unexpected impact of Maiman's discovery.
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On 8 November 1977, President Jimmy Carter made a televised address to the US nation on the subject of energy. There was a crisis. Geopolitical tensions had resulted in an embargo on oil exports from the Middle East, on whose output much of the industrial world then relied. The ‘energy crisis’ of the 1970s was […]
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On 16 May 1960, Ted Maiman used silver coated mirrors, a ruby crystal and a photo flash gun to create the first working laser... Brian Culshaw, author of Introducing Photonics, 2020, explains what makes a laser so useful and introduces a number of the laser's vast applications.
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“Photonics” – try asking Google what this is and you’ll find a variety of answers, some more enlightening (pardon the almost inevitable pun…) than others. But what is photonics? Why is it interesting? Well, it all seems to have something to do with light… The latter question – ‘Why is it interesting?’ – is simpler […]
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