Video Description
– [Instructor] Electromagnetism or the electromagnetic force is one of the four fundamental forces of nature. It generates light and energy and holds atoms, matter, and the world as we know it together. Electromagnetism is a branch of physics that studies the interactions between electric and magnetic fields. All matter has an electric charge which …
(dramatic music) – [Narrator] They are nestled in the final frontier, countless worlds, scattered throughout countless galaxies, challenged the notion that we are alone in the universe. Exoplanets are worlds that exist outside of our solar system. Also known as Extrasolar planets, these bodies often orbit their own stars, with some being a part of …
– [Instructor] At the edge of the solar system Pluto pushes the boundaries of our understanding of the universe. Nestled within the far flung Kuiper belt the dwarf planet is believed to be one of the countless celestial objects left over from the formation of the solar system. While it is one of the Kuiper …
you may already know that lions are big cats weighing up to 500 pounds and growing up to 10 feet long lions are the second largest members of the cat family after tigers but here are some things you probably didn’t know about them lions have significant roars a lion’s roar may be heard up …
[ominous music] NARRATOR: In Africa, there are four species of Mamba. Three of them are green, beautiful and deadly. But the fourth is both aggressive and fast, the Black Mamba. Named for its pitch black mouth, this Mamba is equally at home in trees and on the ground. It grows up to 12 feet long …
Catching the Deadly Black Mamba | These Snakes Can Kill You 더 보기 »
(dramatic music) (roaring) – [Narrator] Probably no other creatures on the planet have struck as much fear and awe in our hearts as the dinosaurs. (roaring) The earliest dinosaurs appeared about 245 million years ago during the Triassic Period. When most of the Earth’s landmasses were still joined together as the super continent Pangaea. Over …
Thailand Highway 3259 is a sugarcane transport road. Thousands of farmers use it to get their crops to the refinery. But this highway has a toll collector. Locals call him the Don. And this is his territory. He’s a master dealmaker, calculating risk versus reward to get what he’s due. The Don can actually sniff …
Elephant Cleverly Steals Sugar Cane off a Truck in Thailand | Secrets of the Elephants 더 보기 »
the Philippine eagle is one of the world’s largest and rarest birds of prey a critically endangered species fewer than 900 adults remain on just for Philippine Islands a top predator of the forest the eagle’s hunting range can cover up to 40 square miles but much of the Philippine forests have disappeared since the …
Watch an Endangered Philippine Eagle Chick Grow Up in Rare Video | Nat Geo Wild 더 보기 »
my first spacewalk holding on to the outside of the spaceship with nothing except the sound of my own breathing in my one hand is my entire link with my own history everything that’s human every story that’s going on down on the surface of the world everybody I’ve ever met with the whole universe …
Walking in Outer Space | Chandrayaan-3 #countdowntohistory | National Geographic 더 보기 »
NARRATOR: Harold Uris was a chemist. Like Gerard Kuiper, he also had to fight his way into science. Uris’ family was poor, like Kuiper’s, so he took a job teaching grammar school in a mining camp in Montana. The parents of one of his students urged him to find a way to get to college. …
The Man of a Trillion Worlds | Cosmos: Possible Worlds 더 보기 »
