Search results for “qu'est-ce que le GPS”

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

ScienceCasts: Twinkle Twinkle GPS

Dynamic bubbles of ionization in Earth's upper atmosphere can cause GPS signals to "twinkle" like stars, affecting the quality of navigation on Earth below. NASA recently conducted a mission called CINDI to investigate this phenomenon. Visit http://science.nasa.gov/ for more. Click here to see mor

What If We Never Traveled To Space?

Space exploration is incredibly expensive. So... why do we even do it? Watch more videos: https://alugha.com/LifeNoggin Follow Life Noggin! Facebook: https://www.facebook.com/LifeNoggin/?ref=br_rs Instagram: https://instagram.com/lifenoggin/ Twitter: https://twitter.com/lifenoggin Official Webs

Positive and negative freedom – who is freer

We often think that freedom means acting without restrictions. But since one person's freedom can influence another's, unrestricted action usually creates problems. To prevent this, we create rules. Philosopher Isaiah Berlin went a step further and distinguished two types of freedom: negative freedo

Dyslexia Reading and writing problems

About 5-10% of all children are born with dyslexia. Children with dyslexia may swap numbers when reading, swap letters when they appear, or skip words when writing. Some see their handwritten letters upside down and others have problems with the grammar rules - writing correctly is often impossible.

Learned helplessness - How it affects our lives

Get 25% off Blinkist Premium and enjoy 2 memberships for the price of 1! Start a free 7-day trial by clicking here: http://blinkist.de/sproutsdeutschland Sometimes we are in a mental state where we feel like we can't change a negative situation. If this is the case for an extended period of time, i

How genes and environment affect life

Is our personality shaped by the environment or are we largely genetically programmed? No one can answer whether nature or upbringing leads to certain character traits in people. However, we know a lot about the influences of genes and environment when it comes to groups of certain populations - esp