Modern physics in a nutshell

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Modern physics in a nutshell
Gravitational Wave diagrams in Brian Greene’s The Fabric of the Cosmos.
These shapes are named after two mathematicians, Eugenio Calabi and Shing-Tung Yau, who discovered them mathematically long before their relevance to string theory was realized; a rough illustration of one example is given in Figure 12.9a.
If the particular Calabi-Yau shape in Figure 12.9a constituted the extra six dimensions in string theory, on ultramicroscopic scales space would have the form illustrated in Figure 12.9b.
"The Fabric of the Cosmos" - Brian Greene
Sometimes attaining the deepest familiarity with a question is our best substitute for actually having the answer.
Brian Greene
Brian Greenberg
i watch this when i feel down
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SpaceTime -- A brief history
SpaceTime is Australia’s most popular and respected astronomy and space science news program – averaging over two million downloads every year. We’re also number five in the United States. The show reports on the latest stories and discoveries making news in astronomy, space flight, and science. SpaceTime features weekly interviews with leading Australian scientists about their research. The show began life in 1995 as ‘StarStuff’ on the Australian Broadcasting Corporation’s (ABC) NewsRadio network. Award winning investigative reporter Stuart Gary created the program during more than fifteen years as NewsRadio’s evening anchor and Science Editor. Gary’s always loved science. He studied astronomy at university and was invited to undertake a PHD in astrophysics, but instead focused on his career in journalism and radio broadcasting. Gary’s radio career stretches back some 34 years including 26 at the ABC. He worked as an announcer and music DJ in commercial radio, before becoming a journalist and eventually joining ABC News and Current Affairs. He was part of the team that set up ABC NewsRadio and became one of its first on air presenters. When asked to put his science background to use, Gary developed StarStuff which he wrote, produced and hosted, consistently achieving 9 per cent of the national Australian radio audience based on the ABC’s Nielsen ratings survey figures for the five major Australian metro markets: Sydney, Melbourne, Brisbane, Adelaide, and Perth. The StarStuff podcast was published on line by ABC Science -- achieving over 1.3 million downloads annually. However, after some 20 years, the show finally wrapped up in December 2015 following ABC funding cuts, and a redirection of available finances to increase sports and horse racing coverage. Rather than continue with the ABC, Gary resigned so that he could keep the show going independently. StarStuff was rebranded as “SpaceTime”, with the first episode being broadcast in February 2016. Over the years, SpaceTime has grown, more than doubling its former ABC audience numbers and expanding to include new segments such as the Science Report -- which provides a wrap of general science news, weekly skeptical science features, special reports looking at the latest computer and technology news, and Skywatch – which provides a monthly guide to the night skies. The show is published three times weekly (every Monday, Wednesday and Friday) and available from the United States National Science Foundation on Science Zone Radio, and through both i-heart Radio and Tune-In Radio.
Whereas classical physics describes the present as having a unique past, the probability waves of quantum mechanics enlarge the arena of history: in Feynman's formation formulation, the observed represents an amalgam – a particular kind of average – of all possible pasts compatible with what we now see.
"The Fabric of the Cosmos" - Brian Greene