StarTalk Podcast: Cosmic Queries – Black Holes & Dark Energy with Neil deGrasse Tyson, Part II
On this episode of StarTalk Radio, we bring you Part II of Cosmic Queries – Black Holes and Dark Energy. Neil deGrasse Tyson and comic co-host Chuck Nice are answering fan-submitted questions about what we know, and don’t know, about black holes and dark energy.
You’ll hear why a black hole’s consumption of matter does not overpower the evaporation caused by Hawking radiation. Neil tells us what’s actually “evaporating” during Hawking radiation. He also tells us two remarkable facts about black holes that are sure to blow your mind.
We discuss how a spy satellite accidently opened a new branch of astrophysics. Find out more about singularities. We investigate the singularity at the beginning of our universe and Neil explains when string theory needs to be brought to the table. Chuck shares how his son coined the word “ringularity.” We assess the possibility of black holes being used as an intergalactic highway system to connect one galaxy to the next.
Find out more about “white holes.” Discover more about supermassive black holes. We explore the nature of photons: how they can be pulled into black holes if they’re massless and why they travel along the fabric of spacetime. Adventure back in time to Sir Arthur Eddington’s expedition to uncover how light bends around the sun.
We ponder if dark energy and dark matter are “stuff” permeating from another universe into our own. Discover why light is trapped in our galaxy but gravity isn’t. We discuss the likelihood that intelligent life is more advanced than us. Lastly, Neil shares final thoughts on the delicate evolution of the tree of life.
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About StarTalk:
Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!
Originally aired March 2, 2020.
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Join me as we take a look at the new Lenovo ThinkPad X1 Extreme Gen 3 which just arrived in the Studio. We will also continue to discuss the newly announced laptops from Dell, HP, Lenovo and Microsoft, and more!
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It wouldn't be CES if Lenovo didn't have a bevy of new laptops to announce, but I can't say we saw the company's new ThinkBook Plus coming. It's available with a 13.3-inch matte, full HD IPS display, one USB-C Gen 2 port, a pair of full-size USBs and an HDMI-out. And since this isn't a one-size-fits-all sort of machine, you can configure it with up to a 10th-gen Intel Core i7 processor, either 8GB or 16GB of RAM and 256GB or 512GB of onboard storage. (Sorry, folks, no discrete graphics here.)
Read the full story at Engadget: www.engadget.com/2020-01-06-lenovo-thinkbook-plus-e-ink-screen-hands-on.html
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