Search results for “field hockey”

Earth's magnetic field

You can imagine Earth’s magnetic field as if there were a giant bar magnet inside the planet. Because it has two poles, it’s called a dipole. Around such a magnet, so-called field lines form. Authors: ZDF/Terra X/Bilderfest/Tillman Graach/Moritz Krause/Benjamin Calliari-Herzberg/Maximilian Heß Tra

Electromagnetic fields of mobile communications

Being able to make phone calls anywhere and at any time has now become a matter of course. Mobile communications are now part of our everyday lives. But how does mobile communications work? How does it affect humans? How can we protect ourselves from the effects of mobile communications? The video