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Janna Levin on Extra Dimensions, Time Travel, and How to Overcome Boots in the Face | Brought to you by Allform and LinkedIn Jobs.“I used to resent obstacles along the path, thinking, ‘If only that hadn’t happened life would be so good.’ Then I suddenly realized, life is the obstacles. There is no underlying path.” — Janna LevinJanna Levin (@jannalevin) is the Tow Professor of Physics and Astronomy at Barnard College of Columbia University. She has contributed to an understanding of black holes, the cosmology of extra dimensions, and gravitational waves in the shape of spacetime. Janna is also director of sciences at Pioneer Works, a cultural center dedicated to experimentation, education, and production across disciplines, as well as Pioneer Works’ virtual home The Broadcast.Janna’s books include How the Universe Got Its Spots and the novel A Madman Dreams of Turing Machines, which won the PEN/Bingham Prize. In 2012, she was the recipient of a Guggenheim Fellowship, a grant awarded to those “who have demonstrated exceptional capacity for productive scholarship.” Her last book, Black Hole Blues and Other Songs from Outer Space, is the inside story on the discovery of the century: the sound of spacetime ringing from the collision of two black holes over a billion years ago. Her new book, Black Hole Survival Guide, is scheduled for publication near the end of 2020.Please enjoy!This episode is brought to you by Allform! If you’ve been listening to the podcast for a while, you’ve probably heard me talk about Helix Sleep mattresses, which I’ve been using since 2017. They just launched a new company called Allform, and they’re making premium, customizable sofas and chairs shipped right to your door—at a fraction of the cost of traditional stores. You can pick your fabric (and they’re all spill, stain, and scratch resistant), the sofa color, the color of the legs, and the sofa size and shape to make sure it’s perfect for you and your home.Allform arrives in just 3–7 days, and you can assemble it yourself in a few minutes—no tools needed. To find your perfect sofa, check out Allform.com/TIM. Allform is offering 20% off all orders to you, my dear listeners, at Allform.com/TIM.This episode is also brought to you by LinkedIn Jobs. Whether you are looking to hire now for a critical role or thinking about needs that you may have in the future, LinkedIn Jobs can help. LinkedIn screens candidates for the hard and soft skills you’re looking for and puts your job in front of candidates looking for job opportunities that match what you have to offer.Using LinkedIn’s active community of more than 690 million professionals worldwide, LinkedIn Jobs can help you find and hire the right person faster. When your business is ready to make that next hire, find the right person with LinkedIn Jobs. You can pay what you want and get the first $50 off. Just visit LinkedIn.com/TIM.***If you enjoy the podcast, would you please consider leaving a short review on Apple Podcasts/iTunes? It takes less than 60 seconds, and it really makes a difference in helping to convince hard-to-get guests.For show notes and past guests, please visit tim.blog/podcast.Sign up for Tim’s email newsletter (“5-Bullet Friday”) at tim.blog/friday.For transcripts of episodes, go to tim.blog/transcripts.Interested in sponsoring the podcast? Please fill out the form at tim.blog/sponsor.Discover Tim’s books: tim.blog/books.Follow Tim:Twitter: twitter.com/tferriss Instagram: instagram.com/timferrissFacebook: facebook.com/timferriss YouTube: youtube.com/timferrissPast guests on The Tim Ferriss Show include Jerry Seinfeld, Hugh Jackman, Dr. Jane Goodall, LeBron James, Kevin Hart, Doris Kearns Goodwin, Jamie Foxx, Matthew McConaughey, Esther Perel, Elizabeth Gilbert, Terry Crews, Sia, Yuval Noah Harari, Malcolm Gladwell, Madeleine Albright, Cheryl Strayed, Jim Collins, Mary Karr, Maria Popova, Sam Harris, Michael Phelps, Bob Iger, Edward Norton, Arnold Schwarzenegger, Neil Strauss, Ken Burns, Maria Sharapova, Marc Andreessen, Neil Gaiman, Neil de Grasse Tyson, Jocko Willink, Daniel Ek, Kelly Slater, Dr. Peter Attia, Seth Godin, Howard Marks, Dr. Brené Brown, Eric Schmidt, Michael Lewis, Joe Gebbia, Michael Pollan, Dr. Jordan Peterson, Vince Vaughn, Brian Koppelman, Ramit Sethi, Dax Shepard, Tony Robbins, Jim Dethmer, Dan Harris, Ray Dalio, Naval Ravikant, Vitalik Buterin, Elizabeth Lesser, Amanda Palmer, Katie Haun, Sir Richard Branson, Chuck Palahniuk, Arianna Huffington, Reid Hoffman, Bill Burr, Whitney Cummings, Rick Rubin, Dr. Vivek Murthy, Darren Aronofsky, and many more. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.