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All cultures speak of a destroyer, and the bible calls it Satan. so I'm wondering if this celestial body is the destroyer? Is this why governments are telling their citizens prepare?

The solar system appears to have a new ninth planet. Today, two scientists announced evidence that a body nearly the size of Neptune—but as yet unseen—orbits the sun every 15,000 years. During the solar system’s infancy 4.5 billion years ago, they say, the giant planet was knocked out of the...

How our solar system moves through space. This is a non-conventional view of our solar system that is different from the standard 'flat' diagrams. We travel, never return to the same spot again. Helical motion, how the planets move through space.

Astronomers see most stars as single points of light even in the most powerful telescopes. And stars are of all different brightness levels, so how do they know how far away the most distant stars and galaxies are? The answer is surprising and complex. The theory goes that the universe is...

Infinity has long been a contentious issue in mathematics, and in philosophy. Does it exist? How can we know? What about our computers, that only work with finite objects and procedures? Doesn't mathematics require infinite sets to establish analysis? What about different approaches to the...

This is very good as he takes it right from the simple straight line.

If its all a simulation, what does the repercussions of that have on our idea of "free will"? Are we simply an observer going down a set path with the illusion of options & no control over the final outcome? Or do we have the ability to shape/change/mold the simulation? Is my consciousness...

Very interesting video on Plasma and Dust Particles. Frozen in Zero G gravity Plasma resembles DNA! Video is in Russian but English subs on the CC caption.

How does complexity emerge in the universe? What drives time? What gives time its direction?

Alas poor human... I'd say it is. Not primarily because of what it could eventually do, but because of the kind of people who are now in control of it. Nuclear power could destroy us all. But it is heavily regulated and nuclear nonproliferation is taken seriously. But AI is still regarded as a...

An excellent lecture that shows how wrong the Liberal idea is that society is made out of individuals maximizing their private utility. The collective comes first. There are no humans without the human collective.

Pythagoras was the first to write down the mathematical ratios of sound harmonics, though a good deal of work had already been done on this question in Babylon and India, and scales were well known to all musicians. Pythagoras even foresaw modern string theory, when he suggested that all energy...

Electron-microscope image.

So it seems that some insects have biological gears. Anyone who thinks this isn't proof of intelligent design need to get serious with themselves. This insect has gear like structures in its legs to be able to jump great distances. were it to be slightly out of line it would not be able to...

In which direction are the dots moving? Now cover one side of the gif with your hand.

Which table is longer? Turns out their dimensions are identical.

A TED talk in which the speaker demonstrates how fallible our perceptions are.

As an interesting aside, Hoffman's father is a pastor. In this video, they show him visiting his parents (at 24.00) and discussing his research with his father. They're at a profound impasse with each other over worldviews, but they seem to be very close in spite of it.