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Recent Posts

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1
General Science / 173 Kiloton Explosion Over Bering Sea Was Asteroid Breaking Up
« Last post by Unbeliever on March 23, 2019, 05:08:21 PM »

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Almost nobody noticed this, but back in December a chunk of space rock slammed into the Earth's atmosphere at 32km/sec over the Bering sea. The aerodynamic forces tore it apart and it released energy equivalent to a 170 kiloton weapon.

And almost nobody noticed.



https://www.youtube.com/watch?v=fpaxvjFh-qA
3
Astronomy/Cosmology / TIMELAPSE OF THE FUTURE: A Journey to the End of Time
« Last post by Unbeliever on March 23, 2019, 10:52:42 AM »

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We start in 2019 and travel exponentially through time, witnessing the future of Earth, the death of the sun, the end of all stars, proton decay, zombie galaxies, possible future civilizations, exploding black holes, the effects of dark energy, alternate universes, the final fate of the cosmos - to name a few.

This is a picture of the future as painted by modern science - a picture that will surely evolve over time as we dig for more clues to how our story will unfold. Much of the science is very recent - and new puzzle pieces are still waiting to be found.

To me, this overhead view of time gives a profound perspective - that we are living inside the hot flash of the Big Bang, the perfect moment to soak in the sights and sounds of a universe in its glory days, before it all fades away.  Although the end will eventually come, we have a practical infinity of time to play with if we play our cards right. The future may look bleak, but we have enormous potential as a species.

Featuring the voices of David Attenborough, Craig Childs, Brian Cox, Neil deGrasse Tyson, Michelle Thaller, Lawrence Krauss, Michio Kaku, Mike Rowe, Phil Plait, Janna Levin, Stephen Hawking, Sean Carroll, Alex Filippenko, and Martin Rees.



https://www.youtube.com/watch?v=uD4izuDMUQA
4
Astronomy/Cosmology / Do black holes contain dark matter?
« Last post by Unbeliever on March 22, 2019, 11:58:18 AM »

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Black holes grow by accreting matter under gravity; so surely they should be able to accrete dark matter? So then is there loads of dark matter trapped inside black holes?

Turns out it's a bit more complicated than that because of what we know of how dark matter behaves - which isn't a lot! - but it's enough.

https://www.youtube.com/watch?v=9Qis5VDOd18
5
Mathematics / Are Prime Numbers Made Up?
« Last post by Unbeliever on March 21, 2019, 05:19:28 PM »


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Is math real or simply something made up by mathematicians? You can’t physically touch a number yet using numbers we’re able to build skyscrapers and launch rockets into space. Mathematician Kelsey Houston-Edwards explains this perplexing dilemma and discusses the different viewpoints that philosophers and mathematicians have regarding the realism of mathematics.




https://www.youtube.com/watch?v=XnEqfTjp66A

7
General Religion / A Universe Not Made For Us (Carl Sagan on religion)
« Last post by Unbeliever on March 20, 2019, 12:15:03 PM »

Carl Sagan reading from his book "The Demon Haunted World: Science as a Candle in the Dark"


https://www.youtube.com/watch?v=cIANk7zQ05w
8
General Religion / Crazy Pastors Speaking in Tongues
« Last post by Unbeliever on March 20, 2019, 11:42:32 AM »


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Watch Evangelical and Charismatic pastors speak in gibberish to each other. This is the craziest speaking in tongues compilation video ever made. Watch T.D. Jakes, Paula White, Robert Tilton, Rodney Howard-Browne, Becky Fisher, Kerney Thomas, Joel Osteen's Prayer line, Nancy Harmon, Perry Stone, and Terrence McKenna speak in tongues and make a fool of themselves. And these are some of the people advising President Trump.

https://www.youtube.com/watch?v=bZIrU7m0gx0
9
General Science / Nikon's Small World
« Last post by Unbeliever on March 18, 2019, 02:36:22 PM »

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Celebrating 44 years of images captured by the light microscope

https://www.nikonsmallworld.com/
10
Mathematics / How Not to Be Wrong: The Power of Mathematical Thinking
« Last post by Unbeliever on March 18, 2019, 01:28:59 PM »

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The maths we learn in school can seem like a dull set of rules, laid down by the ancients and not to be questioned. Jordan Ellenberg shows how wrong this view is through stories that show the power of mathematical thinking.

Maths touches everything we do, allowing us to see the hidden structures beneath the messy and chaotic surface of our daily lives. Maths is the science of not being wrong, worked out through centuries of hard work and argument.

https://www.youtube.com/watch?v=kZTKuMBJP7Y
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