About the SA Blog Network

Posts Tagged "string theory"


Physics, Metaphysics and Cosmology Collide in New E-Book, Possibilities in Parallel: Seeking the Multiverse

Possibilities in Parallel: Seeking the Multiverse

Parallel universes are a staple of science fiction, and it’s no wonder. They allow us to explore the question, “What if?” in a way that lets us step completely outside of the world we know, rather than question how that world might have turned out differently. For cosmologists, the question isn’t “What if the South [...]

Keep reading »

Surfer-Physicist Garrett Lisi Offers Alternative to String Theory—and Academia

Lisi (third from right) and friends at the "Pacific Science Institute," a cluster of cabins that he built on Maui to provide a place for scientists to "work and play." Lisi adds, "I do have to let students know I am not a degree-granting institution, but they're welcome to visit."

In 2007 Garrett Lisi was a 39-year-old physicist, unaffiliated with any institution, toiling in obscurity on what he called “An Exceptionally Simple Theory of Everything,” which could account for all of nature’s forces. Over the next year he became a celebrity, after The New Yorker, Outside, Discover and other publications described him as a rootless [...]

Keep reading »

Physics Titan Edward Witten Still Thinks String Theory “on the Right Track”

Witten: "I hope the landscape interpretation of the universe would turn out to be wrong, as I would like to be able to eventually calculate from first principles the ratio of the masses of the electron and muon (among other things).  However, the universe wasn't made for our convenience."

At a 1990 conference on cosmology, I asked attendees, who included folks like Stephen Hawking, Michael Turner, James Peebles, Alan Guth and Andrei Linde, to nominate the smartest living physicist. Edward Witten got the most votes (with Steven Weinberg the runner-up). Some considered Witten to be in the same league as Einstein and Newton. Witten [...]

Keep reading »

Best Actor Eddie Redmayne on Portraying Stephen Hawking (Q&A)

Eddie Remayne and Felicity Jones as Stephen Hawking and Jane Wilde in 'The Theory of Everything'. (Focus Features)

Last night at the 87th Academy Awards, Eddie Redmayne won the Oscar for best actor for his portrayal of theoretical physicist and cosmologist Stephen Hawking in The Theory of Everything. Back in October, I was invited to attend the New York premiere of the film, which follows Hawking’s relationship with his first wife, Jane Wilde, [...]

Keep reading »

President Obama Awards National Medals of Science and Technology at the White House

“You have improved our lives in ways that are practical and inspirational,” said President Barack Obama. He saluted the top U.S. researchers with the highest honors bestowed by the U.S. government, the National Science and Technology Medals. At the White House ceremony on February 1, he honored 12 winners for the National Medals of Science [...]

Keep reading »

More from Scientific American

Email this Article