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Crazy: Minecraft timelapse

Some guys simply have too much time on their hand. And this is good, because they are creating great art, even if it is in Minecraft. In any case Minecraft offers you the ability to construct whatever you want and however big it may be. Last year someone had created the Enterprise ship in full, […]

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Gaming pc, buyers guide. Bonus: CPU cache and things to try in Fallout 4

Linus explains, once again, what parts you need to use in order to create a gaming pc. Incredibly enough you can build a 1080p gaming pc even with 700 dollars. You can then move one to $1200 and even $2200 to build performance based workstations which can also be used for video processing. Although my […]

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Chemistry and physics: bonds and the Periodic Table of Elements

Chemical bonds are mainly about electrons and how are they shared with the neighboring atoms. A bond is made when an electron or more are more probably to be found in an area between the atoms than around specific atoms. You cannot say that an electron jumps from one atom to the other and then […]

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ESOcast 78: what is airglow and why do we see so much of it in the Paranal, Chile area?

The ESOcast 78 is here. ESO has a series of video podcasts in which they explain a ton of things from what a telescope if, to how a black hole works. In this newest ESOcast we learn about the airglow, the coloured light which can be seen at night. In the last decades the airglow […]

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Polarization of light explained

When I first wanted to learn about the polarization of light I found it hard to understand the concept and how do polarized filters work and why is this important. For example, if you use polarized glasses while you drive, then the horizontally polarized light scattered off the road or off the lake surface will […]

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George Hrab about skepticism

In a great talk George Hrab explains what skepticism is and why we all should use it even if we are sure of the things we see in front of us. Skepticism is not cynism or denialism, both traits which are not welcome to a true to heart skeptic. A cynical person sees always the […]

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Is life in Fallout 4 feasible? Science says: YES.

The main theme in the Fallout games is that a nuclear disaster takes place and some lucky people, who paid the right price, were selected to go into the allmighty protective vaults while others have been left out to rot like bugs. After a while you emerge from one of the vaults only to discover […]

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Blu-ray vs DVD. What’s the difference?

Data is stored on a DVD by making small burns in the disks which represent 1 and then letting some small gaps which represent 0. That’s all there is to know. Blu-rays do the same thing, but the burns are way smaller which lets you pack even more data. DVDs use a red laser and […]

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What is noise cancellation?

Noise cancellation is the ability of certain headphones to cancel out background noise so that you can hear the song or the guy you’re talking with much better. Since sound is actually a sound wave with peaks and troughs the physics of waves is simple: if a wave encounters another wave with the same wavelength,the […]

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What is GMO

Genetically Modified Organisms or GMO are not a bad thing. You usually take some genes from a plant and then insert them in another plant. This way the new plant will be able to grow stronger and more resistant to conditions like water shortages or certain bug attacks. GMOs are a solution for the increasing […]

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