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IEEE Instrumentation & Measurement Magazine, 2014
Interferometric gravitational wave detectors are amongst the most sensitive instruments ever built. They are hunting for tiny oscillations in space-time originating from cosmic events such as inspiraling objects or supernova explosions. These detectors are based on Michelson-like interferometers reaching sensitivities for lengths changes of better than
Stefanie Kroker, Ronny Nawrodt
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Interferometric gravitational wave detectors are amongst the most sensitive instruments ever built. They are hunting for tiny oscillations in space-time originating from cosmic events such as inspiraling objects or supernova explosions. These detectors are based on Michelson-like interferometers reaching sensitivities for lengths changes of better than
Stefanie Kroker, Ronny Nawrodt
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Scientific American, 2016
The article discusses tool use in fish, adapted from the book "What a Fish Knows: The Inner Lives of Our Underwater Cousins, by Jonathan Balcombe, including in regard to cognition in fishes. An overview of tool use by the orange-dotted tuskfish (Choerodon anchorago) to break a clam and by the archerfish's (Toxotes') squirting water in its predation of ...
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The article discusses tool use in fish, adapted from the book "What a Fish Knows: The Inner Lives of Our Underwater Cousins, by Jonathan Balcombe, including in regard to cognition in fishes. An overview of tool use by the orange-dotted tuskfish (Choerodon anchorago) to break a clam and by the archerfish's (Toxotes') squirting water in its predation of ...
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The Young Einstein and the Old Einstein
1976In 1911 Einstein, then thirty-two years old, held the post of Professor of Theoretical Physics in the German University at Prague. He had indicated to his friend and former classmate Marcel Grossmann his interest in returning to Zurich to teach at the Polytechnic (The Federal Institute of Technology).
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The Einstein Action and the Einstein Equation
2019We start by defining the notion of Riemann tensor and curvature, and positive and negative curvature spaces. We then show how to turn a special relativistic invariant theory into a general relativistic invariant one and write down the Einstein–Hilbert action for gravity, based on Einstein's principles and on matching with experiment. We then derive its
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Nature, 2005
Scientific celebrity has a relativity all of its own. Some scientists are celebrated by their peers, some are treasured by their students, while others are lionized by the public at large. But very few are given the burden of being a celebrity to everyone, everywhere, all the time. Albert Einstein achieved that universality.
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Scientific celebrity has a relativity all of its own. Some scientists are celebrated by their peers, some are treasured by their students, while others are lionized by the public at large. But very few are given the burden of being a celebrity to everyone, everywhere, all the time. Albert Einstein achieved that universality.
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1986
Abstract Einstein’s lasting conviction that quantum mechanics was not a theory of principle did not impede him from recognizing that this theory was highly successful. As early as 1927, he publicly expressed his judgment that wave mechanics is ‘in amazing agreement with the facts of experience’ [ E1].
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Abstract Einstein’s lasting conviction that quantum mechanics was not a theory of principle did not impede him from recognizing that this theory was highly successful. As early as 1927, he publicly expressed his judgment that wave mechanics is ‘in amazing agreement with the facts of experience’ [ E1].
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