Liked on YouTube: The End of the Universe: Hot or Cold?

The End of the Universe: Hot or Cold?
We've talked at great length about the beginning of the universe, everything we know, and what we don't yet know. But everything that has a beginning must have an end. How will the universe end? How can we tell? When will it happen? Don't worry, spoiler alert: we will be just fine for many billions of years. But someone might have to deal with it someday! Let's start preparing now. Subscribe: http://bit.ly/ProfDaveSubscribe ProfessorDaveExplains@gmail.com https://ift.tt/2CuLIR1 https://ift.tt/1Tzkfjh https://ift.tt/1rDs3Yy... http://twitter.com/DaveExplains Mathematics Tutorials: http://bit.ly/ProfDaveMaths Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio American History Tutorials: http://bit.ly/ProfDaveAmericanHistory
via YouTube https://www.youtube.com/watch?v=Zrtm3Rgk35A