Tag: aliens

Contact Was Wrong – Aliens Can’t Hear Us

Carl Sagan is an absolute legend and a hero, and his book Contact and the movie it’s based on is phenomenal. HOWEVER… we examined the central conceit of the story – that aliens pick up our radio signals and return a message with instructions to build a machine – and look at the stars inside the 100 light-year bubble around Earth where our radio waves have traveled. And the potential of this happening… Well, it isn’t good.

Sorry Carl.

All Right. Let’s Talk About The UFO Thing

With all the talk of UFOs, or as they’re now known, UAPs (Unidentified Aerial Phenomena), and the soon-to-be-released Pentagon report addressing the phenomenon, and the leaked fighter pilot videos, and the hundreds of emails and comments I’ve received… I decided to chime in on the situation.
This should go over well. In no way will this video be taken too seriously.

Here are some of the “Dueling explanations” videos around the internet. Take a look and come to your own conclusions.

Was There An Advanced Civilization Before Humans?

It took humans 10,000 years to go from hunter-gatherers to world domination. Considering the vastness of time that humans and life have been on Earth, could this have happened once before?

This question was put forth by Adam Frank and Gavin Schmidt in their paper titled The Silurian Hypothesis, where they tried to figure out what in the geologic record would be a sign of a previous industrial civilization. It brings up a lot of questions and makes you deal with the weight of deep time, as well as the fleeting nature of history.

Cephalopods: Aliens From Earth

Cephalopods like octopus, squid, and cuttlefish seem to be as alien as any alien creature from a sci-fi movie, and it’s fun to speculate that they could be aliens from another planet. But could they be aliens from right here on Earth?

Today we look at some of the strangest – and most intelligent – animals on Earth. Cephalopods.

Why We Should Try To Contact Aliens – My Interview With Doug Vakoch

In today’s podcast, I sit down with Doug Vakoch, the founder of METI, or Messaging Extra Terrestrial Intelligence. We talk about why METI was founded, what their goals are, why we should try to contact aliens, and respond to some of the criticisms of the organization.

If you’re interested in learning more about what they do or want to get involved, you can check them out at www.meti.org.

The Wow Signal – Actual Proof Of Alien Life?

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The Wow Signal is a 72-second radio burst that was recorded in 1977 that has defied explanation for 40 years, leading many to believe it might be proof of intelligent life.

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LINKS LINKS LINKS:

SciShow

Fraser Cain

Graph: By Maxrossomachin – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index…

https://www.livescience.com/59442-ast…

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TRANSCRIPT:

SETI, or the Search for Extraterrestrial Intelligence, has access to telescopes all around the world, constantly scanning the sky for signals of alien communication.

Processing all of this information is a gargantuan task that would require a massive supercomputer that SETI can’t quite afford. So they came up with a brilliant idea.

It’s called SETI at home. It’s a program you can install on your computer that processes tiny parts of that data in the background.

Spreading that data across thousands of computers around the world, they’re able to crank through mountains of information, without the mountainous cost of a supercomputer.

But back in the 70’s none of that existed. Signals from space had to be printed out and processed by hand.

Which is exactly what astronomer Jerry Ehman was doing on August 18th, 1977. He was going over reams of printouts when he found a massive spike in a certain frequency of radio wave.

It was a spike 30 times higher than the background noise, and it was so noteworthy, he literally wrote “Wow” on the page.

It has since become known as the wow signal, and it’s still confusing scientists 40 years later.

The Big Ear went into operation in 1963 and was initially put to use on the Ohio Sky Survey, which catalogued nearly 20,000 sources of radio waves between 1965 and 1971.

Since it was on the ground, the telescope basically used the rotation of the Earth to scan across the sky.

When it measured a radio signal, they could infer by the time of day what direction the telescope was pointing and match that with visual sky surveys to figure out what star or galaxy it came from.

In 1956 on the grounds of Ohio Wesleyan University, construction crews broke ground on a massive telescope the size of three football fields to monitor the sky for radio signals from deep space.

It was officially known as the Ohio State University Radio Observatory, because it was actually run by Ohio State, but it was more well known by its nickname. The Big Ear.

The Big Ear went into operation in 1963 and was initially put to use on the Ohio Sky Survey, which catalogued nearly 20,000 sources of radio waves between 1965 and 1971.

Since it was on the ground, the telescope basically used the rotation of the Earth to scan across the sky.

When it measured a radio signal, they could infer by the time of day what direction the telescope was pointing and match that with visual sky surveys to figure out what star or galaxy it came from.

So a popular misconception with the wow signal is that 6EQUJ5 is some kind of alien code that we received but it’s actually just a measure of signal strength.

Ehrman and others immediately started pointing telescopes at the spot where the signal originated, which is in the constellation Sagittarius, but nothing has ever shown up.

So, it’s not a star or galaxy or pulsar or black hole because we’d pick up more signals from that location. As far as we know, and we’ve looked there a lot at this point, there’s nothing there.

At least, no cosmic body that would normally produce a radio stream like that.

But the mystery actually gets deeper. Because the frequency that this signal was found on was 1420 MHz. And if you were paying attention in last week’s video about the Voyager missions, 1420 mHz is the frequency that hydrogen atoms expel photons during hyperfine transitions.

(also known as 21-centimeter line or hydrogen line)

This same frequency was used by Carl Sagan and Frank Drake when creating the Pioneer and Voyager plaques as a way to communicate with an alien species should they ever come across the spacecraft.

69-Question Lightning Round Video

This time around I got almost 70 questions and I answer them all right here. Grab a snack. It’s gonna take a while.
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LINKS LINKS LINKS:

Hilbert’s Unanswered Problems:
https://en.wikipedia.org/wiki/Hilbert%27s_problems

Millennium Prize Problems:
http://www.claymath.org/millennium-problems

PBS Spacetime:

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