What would happen if all the planets would align?
Nothing. Almost nothing. No earth quakes, no tidal waves. The influence of other planets on Earth would be so small that that they would be impossible to see. The Moon has more influence over our...
View ArticleWhy does the Earth keep spinning?
The answer can be simple: because things in motion stay in motion. First law of motion from Newton. It is all about inertia: hen you set things in motion, if there are no forces acting upon an object,...
View ArticleCrazy machines: the Stirling Engine
What you see in the video from above is the Stirling Engine, a simple engine in which hot air moves a piston in ways you never knew possible. As you see, the piston is smaller than the cylinder it’s...
View ArticleThe particle zoo of 400 or so subatomic particles
Via Wikipedia: In particle physics, the term particle zoo[1][2] is used colloquially to describe a relatively extensive list of the then known “elementary particles” that almost look like hundreds of...
View ArticleScience craze: 7 hours of science. I dare you watch them all in one day!
Yesterday and Saturday were lazy days for me. I had some work to do, but otherwise made sure to spend hours upon hours watching documentaries, online videos of courses. In the first video you see a...
View ArticleQuantum mechanics: here we come [video course]
One of the favorite physics and math teachers on YouTube, Michel van Biezen, has prepared a new series about quantum mechanics. In this new series we learn about why the atoms and subatomic particles...
View ArticleHow Digital Light Processing (DLP) works
Ben Krasnow, from Applied Science, explains how a projector works. He is one of the most skilled guys I’ve seen on Youtube. If he does not have a tool or device, he builds it and then moves on....
View ArticleHow far can a human eye see? What is its power?
Michel van Biezen makes great educational videos and you can learn a lot of things from there. One of his videos teaches us how to calculate the power of the eye. It turns out that the human eye, with...
View ArticleNope. Jumping on a falling elevator won’t save your life.
The theory says that if you just up with high enough force right at the moment of impact, when the elevator hits the ground, then you can save yourself. The truth is that you won’t be able to pull up...
View ArticleQuantum Physics, a poem
It is true that science needs very good PR. Anti-science groups, usually religious ones, are doing a fairly good job to further their cause, but science needs more boost. Until science reaches...
View ArticleHow much water do you need to extinguish the Sun?
Fraser Cain has a great video responding to this very question: how much water would extinguish the Sun? The answer is: none, nada. Any water you add to the Sun will make the Sun shine brighter and...
View ArticleWhy the upper Earth’s atmosphere is green
If you look closely at the night sky you will see that, at the horizon line, you will see a faint green glow. This is called airglow and happens allover the world. The lower parts of it are green, but...
View ArticleYou wont believe: the smallest possible star is just a bit bigger than Jupiter
It is said that Jupiter is a failed star. It is so massive that, if it were a couple of times more massive, it would have become a star. Stars can be way smaller than our Sun. For example,...
View ArticleNeat experiment with honey: it will be attracted to a plastic cup when the...
Thunderf00t tried to explain why does the water get attracted to a plastic cup when you rub it against your hair. It seems that water behaves like an electrically charged medium and people don’t...
View ArticleThings that are radioactive and you don’t know it
Everything on Earth is radioactive. Do not forget that the Earth is also radioactive and gives off heat due to radioactive decay that is happening inside it. Due to this radioactive decay Earth will...
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