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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Вся правда про ИИС и налоговые льготы! / Инвестиции и пассивный доход 2020
Что такое индивидуальный инвестиционный счет, как он работает, как и где открыть ИИС в 2020 году? Какие налоговые льготы получает частный инвестор на Московской бирже? Как получить налоговый вычет по ИИС? Какие ценные бумаги можно купить на индивидуальный инвестиционный счёт: акции, облигации, ETF, ОФЗ на ИИС? Стоит ли выбирать доверительное управление на брокерский счет? Что выбрать: ИИС или обычный брокерский счет? Какая брокерская компания лучше для открытия ИИС в 2020 году: Сбербанк, ВТБ, Открытие, БКС? Разбираем самые важные и самые распространенные вопросы о том, как работает индивидуальный инвестиционный счет.
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Lenovo’s foldable PC hands-on: this was inevitable
Foldable phones are all the rage, but Lenovo is taking things a step further with a foldable PC. Right now, it’s just a prototype, but the company promises a full version that could replace your MacBook in 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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