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"Scientists have been trying to confirm the existence of gravitational waves for fifty years. Then, in September 2015, came a 'very interesting event' (as the cautious subject line in a physicist's email read) that proved to be the first detection of gravitational waves. In Gravity's Kiss, Harry Collins -- who has been watching the science of gravitational wave detection for forty-three of those fifty years and has written three previous books about...
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For the past 90 years, the predictions laid out Einstein's general theory of relativity have continued to be confirmed by experimental science. The last hold out is gravitational waves - the idea that certain gravitational events cause actual ripples in Spacetime. But have scientists done it?
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"On 14 September 2015, after 50 years of searching, gravitational waves were detected for the first time and astronomy changed for ever. Until then, investigation of the universe had depended on electromagnetic radiation: visible light, radio, X-rays and the rest. But gravitational waves--ripples in the fabric of space and time--are unrelenting, passing through barriers that stop light dead. At the two 2.5 mile long LIGO observatories in the US, scientists...
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"In 1916, Einstein became the first to predict the existence of gravitational waves: sounds without a material medium generated by the unfathomably energy-producing collision of black holes. Now, Janna Levin, herself an astrophysicist, recounts the story of the search, over the last fifty years, for these elusive waves--a quest that has culminated in the creation of the most expensive project ever funded by the National Science Foundation ($1 billion-plus)....
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The protective gear worn by motorcyclists can be extremely hot and uncomfortable in sweltering Australian conditions. Does heat stress contribute to accidents, and how protective is safety gear anyway? Mark Horstman lays his mind and body on the line as scientists put motorcycle clothing to the test. Also, what did the beginning of time look like - that moment of creation? What are the biggest explosions in the universe like? We've never been able...
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Evalyn Gates transports us to the edge of science to explore the tool that unlocks the secrets of dark matter and dark energy. Based on the theory of general relativity, gravitational lensing, or 'Einstein's Telescope', is enabling discoveries that are taking us towards the next revolution in scientific thinking--one that may change our understanding of where the Universe came from and where it is going.
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