Watch: Killer Whales Charge Blue Whale (Rare Drone Footage) | National Geographic

Drone footage recorded killer whales charging and striking a blue whale in this rare sighting off the coast of Monterey, California. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories […]

Managing the New York City Power Grid | Breakthrough

Meera Tandon explains how she helps make New York City’s power grid run more efficiently. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Watch all clips of Breakthrough here: http://bit.ly/WatchBreakthrough ➡ Get More Breakthrough: http://bit.ly/NGBreakthrough ➡ Visit the Breakthrough DIGITAL EXPERIENCE: http://bit.ly/Breakthrough-Experience ➡ BREAKTHROUGH AIRS TUESDAYS 10/9c. About Breakthrough: Breakthrough provides a thought-provoking and imaginative perspective on scientific discovery […]

Escape from ISIS Control | Hell on Earth

A Syrian family documents their daring escape from ISIS controlled territory. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About Hell on Earth: Oscar-winning filmmakers Sebastian Junger and Nick Quested chronicle Syria’s descent into the unbridled chaos that allowed the rise of the Islamic State. Pulling from nearly 1,000 hours of visceral footage, they capture the Syrian war’s harrowing carnage, […]

Ruins—and Fierce Weaponry—From Bloody Roman Battle Discovered | National Geographic

In Scotland, archaeologists are investigating ruins of a fort flanked by two Roman camps. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of […]

AutoCAD – Drawing lines

AutoCAD – Drawing lines Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited