Search results for “kako znati da li netko laže”

What makes lithium ion batteries dangerous? Part 2

What are the hazards associated with lithium-ion batteries, and how can these turn into safety risks? Last week Risk Bites looked at the bottom-line risk challenges of lithium-ion batteries. This week we take a closer look at the technology behind the batteries used in cell phones, laptops and the

How Does A Rocket Escape Earth's Gravity

How do rockets break through gravity? Maths is all around us. It’s almost impossible to think of something that’s made without the help of mathematics. In this simpleshow we explain how maths made space travel a reality. Authors: Roman Ilyushenko, Nicolai Nobis The information for this video is p

Metric System - explained simply

The Metric System is a universal way to measure many different things. But how does it work and who invented it? We explain these and other aspects of the Metric System in this simpleshow. Click here to see more videos: https://alugha.com/mysimpleshow Authors: Roman Ilyushenko, Nicolai Nobis The

Lithium-ion batteries: How do they work?

Please view our new version of this video here: https://youtu.be/VXy-IoRykWk Smartphone, cordless screwdriver, laptops and defibrillators: Everyone knows the lithium-ion battery - or the Li-Ion Battery - for energy storage in a variety of modern appliances. A great future for the battery is predict

Endogenous Cannabinoids

When there is a chemical imbalance in the body, such as during stress, endocannabinoids are released. They bind to the matching receptors, regulating the activity of the nerve cells. This allows the body to counteract the imbalance. Authors: ZDF/Terra X/J. v. Kalkreuth/M. Richter-Jähring/D. da Cruz

The history of hemp

The history of hemp began with cannabis as a medicine. In 2700 BC it was first recorded. Long controversial and banned, today one country after another around the world is loosening its restrictive cannabis legislation. Author: ZDF/Terra X/J. v. Kalkreuth/D. da Cruz/Maximilian Mohr Translation and

How Our Hunger for Meat Began

Around two million years ago, humans became hunters. Meat is an evolutionary booster, as its high nutritional value helped the brain grow. However, our excessive consumption today poses a threat to both people and the planet. Authors: ZDF/Terra X/C. Schrader/M. Jänig/David da Cruz/Maximilian Heß T

Diagnosis Hemophilia

Hemophilia patients lack an important element in the complex process of blood clotting. As a result, blood from wounds does not clot or clots only very slowly. Even minor injuries can become a health hazard to the patient. Wang Xia Li from Beijing talks about how she and her sick son deal with the d

Satellite Navigation - GPS - How It Works

How does GPS know where to go? What has satellite navigation to do with it? Maths is all around us. It’s almost impossible to think of something that’s made without the help of mathematics. In this video we explain how does GPS satellite navigation works. Authors: Roman Ilyushenko, Nicolai Nobis

Genetic Variance Through Sexual Selection

For more Science Videos: https://lt.org/ * How does sexual selection contribute to biodiversity on earth? ASTRID T. GROOT investigates this question using the example of moths. As she explains in this video, in many species, including moths, the most common individuals are chosen as mates and the on