Tag Archives: science

Marcus Chown – A Crack In Everything: How Black Holes Came in from the Cold and Took Cosmic Centre Stage

Black holes aren’t black! If there is one thing everybody knows about black holes it is that they are so dense that even light can’t escape. And yet, as Marcus Chown explains, black holes are some of the most prodigiously luminous objects in space.   So they’re not holes. And they’re not black. But they are among the most fascinating and counter-intuitive objects in the universe. Not to mention that they are, in Marcus’s phrase, “the stuff of physicists’ nightmares.” Why? Because the maths tells us that any star a little bigger than the sun will eventually collapse into a singularity – a point of infinite density and infinite temperature. … Continue reading

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Lawrence Krauss – The Known Unknowns: The Unsolved Mysteries of the Cosmos

Lawrence Krauss – Head Of Zeus – £20.00 Professor Lawrence Krauss has made major contributions to the field of theoretical physics and is one of the world’s great scientific communicators with a gift for illuminating complex ideas. His new book, The Known Unknowns makes a tour d’horizon of the frontiers of current knowledge, touching on such questions as: Is infinity real? Does the multiverse actually exist? Is quantum mechanics true? Can we create consciousness? And lots more. It is an exhilarating read, and as he writes, “Focusing on the edge of knowledge provides an opportunity to explain how far we have come…” He is also, incidentally, a dazzling close-up magician … Continue reading

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