Finding Authentic Video Pronunciations...
Scanning thousands of native English clips with synchronized subtitles and exact timestamps.
Pronunciation Guide
Loading video player...
Listen to native speakers pronounce “wave equation” in real conversational contexts with synchronized timestamps and subtitles.
and you apply a little bit of calculus, it's very easy to see that the laws of electricity and the laws of magnetism combined togethermake what's called a wave equation, which that shows that these electric and magnetic fields oscillate. They vary,and if you have something that's varied, that's a wave, and the wave then moves. And if you do the math, you find out that the speed