Real life Holodeck using Oculus Rift – Computerphile

The guys at Computerphile showcased a real life Holodeck using an Oculus Rift. Joe from Max-Planck-Institut für biologische Kybernetik explains how this holodeck works and what tricks to they use to make people feel that they are in a bigger environment than that actual room. They use 16 cameras to track the head position and […]

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2 minutes to understand that vaccines save your kid’s life

It is appalling to see the increase of death among people who could’ve been saved if they took those damn vaccines. People don’t even comprehend what the heck they are doing as they prepare the way for a disaster due to refusal of vaccination. Vaccination is one of the best things that science has done […]

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Crazy Russian Hacker is suicidal: dry ice will KILL you

Thunderf00t analyzed one of the videos of Crazy Russian Hacker where the later one used dry ice, cooled CO2, to cool down the room he was in. There is a MINOr issue, tough: CO2 from the dry ice becomes a gas that will KILL you. Watch the video from above for more details.

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Tech: electric Harley-Davidson, solowheel and Hexo+

Since Tesla created the electric cars and are selling them and getting more and more traction in the US, motorcycle manufacturers are starting to pay attention. Harley-Davidson have created their first electric motorcycle named Project LiveWire, which will not be sold, but it will be on display along America’s Route 66, visiting more than 30 […]

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Computers: the differences between i3, i5, and i7

The era of gigahertz is long gone as now we look at other specs to know if a processor is good enough for what we need it. AMD broke the gigahertz balloon when it created processors with names like Athlon 2000+, meaning that it could do the work of a 2GHz Intel processor with a […]

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Fundamental theorem of algebra

Polinomials. They are mean, but they are manageable. If I only had math professors that could explain things like professor David Eisenbud does, then I’d been a better math guy. Right now i look at the Numberphile videos to understand why math is important and how does it help in practical means (spoiler alert: math […]

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The chemistry of insect repellent. We have some of it too

Mosquitos and other nasty little thingies are attracted by our sweat and the carbon dioxide we exhale. Nature has taught many plants to fend offf the insect and they evolved to have some natural insect repellant. Even humans have some types of insect repellent, or maybe it should be called insect invisibility cloak. That substance […]

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Why is our brain in the head?

A truly interesting question which has a simple answer: you need to keep the processing unit of you body real close to the food intake and to the visual and audio sensory system. Almost all life on Earth evolved to have the brains in the head because of this and it seems kinda logical, isn’t […]

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The kilogram needs redefining. Bonus: the roundest thing on Earth

We have moved all our measurement units from the prototypes that were stored in France to something more “absolute”. A meter is defined now as the distance the light travels in 1/300 000 000 seconds, a second is about 9 billion oscillations of electrons between two ground states in Caesium 133. Now it’s the turn […]

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Learn about risk reduction in treatments. Advertising is a bitch

Learn about the risk reduction that has to be taken into account. Healthcare Triage presents the difference between relative risk reduction, the thing that is often advertised, and the absolute risk reduction, the one that truly matters. When a new treatment comes out or when a study is done you will often hear that it […]

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