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Sound tech and facts: how does a music box work, sound dampening, the science of music

The Engineer Guy has posted a new stunning video about the music boxes and how do they work. You HAVE to subscribe to his channel if you want to understand why engineers are a great creative bunch and why we owe them a great deal a respect. Engineers are the link between scientists and regular […]

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Space edition: Earth without the Moon and the Mars Space Exploration Vehicle

Without the Moon we would have a short day, since the planet would spin faster. A day would be only 6 hours long. Also, without the Moon the tilt of Earth would vary so much that seasons would be wildly inconsistent from year to year. So, the Moon is very important. Also, in this space […]

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Investing in science pays off thousands of times

I had a short talk a couple of months ago, on June 21st 2015, in Brașov, Romania, about science and secular humanism. I argued that science gave us mobile phones and television and some kids from the last line started laughing: “how could science give us TVs”? Well, how could it? Did you know that […]

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The future of information storage: DNA

Dr Robert Grass, Senior Scientist at ETH Zurich, and DR Reinhard Heckel, Postdoctoral Researcher, are working on a way to store information in DNA. DNA is very resilient and it can also withstand space travel as an experiment with plasmids in 2011 has shown us: a series of plasmids have been put on the outside […]

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Anatomy course: what is the lymphatic system?

The lymphatic system has several roles in our body: it takes int he excess 3 litres of blood from the capilaries, it sanitizes it by letting the white blood cells run through it and clean it of bacteria an viruses, it also serves us as a warning indicator when the ganglia get swollen up. This […]

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Titanic II will sail in 2018

Clive Palmer, an Australian businessman, wants to rebuild the Titan and it will be named Titanic II. It should sail in 2018, however there is still a lot to work on the ship. The good thing is that it will feature updated tech and it will have enough life boats. Titanic II will not generate […]

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The history of electric cars is way longer than you thought

Simon Whistler from Today I Found Out explains why the history of the electric car is way longer than we thought. The first electric cars were created at the start of the 19th century and by the end of the century London, for example, has its own fleet of electric taxis. Now that something. The […]

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Anti-theft tags decomposed: how to they work?

Applied Science is a great YouTube channel where you learn about the practical concepts derived from science theories. He uses a ton of devices to explain the science behind things from around us. In the video from above you can see the explanation of how anti-theft tags work. Their workings are based on a phenomenon […]

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What and how: fruits/vegetables and diverting an asteroid

What is the difference between a fruit and a vegetable? You call it a fruit when the part that you eat stemmed from the flower of the plant, then grew around some seeds. This way cucumber, peas, apples, pears and tomatoes are fruits. But what about vegetables? If you eat the root, the leaves or […]

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Introductory concepts: science based medicine, evolutionary biology, information history, astronomy

Yes, another week-end has passed and I’ve spent quite some time following courses and documentaries. What a life! In the video from above you will learn what science based medicine is and why is it important. Knowing a couple of basic concepts from the world of medicine, the true one, not the one which heals […]

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