Search results for “electromagnetic force”

The Electromagnetic Spectrum

In this video from NOVA’s Sun Lab, examine how scientists use electromagnetic radiation to learn about the Sun. The process of nuclear fusion in the core of the Sun produces energy in the form of electromagnetic radiation, or light. The wavelength of photons (particles that carry electromagnetic ene

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

The Ocean: A Driving Force for Weather and Climate

Learn how the ocean relates to weather and climate in this video from NASA. Uneven heating from the Sun drives ocean and atmospheric circulation. Animations and satellite data show how ocean currents and eddies distribute energy and nutrients around the world. Heat exchanges between the ocean and th