web analytics

Category: Physics & Chemistry

Steven Cowley: Fusion is energy’s future

TED presents physicist Steven Cowley who is certain that nuclear fusion is the only truly sustainable solution to the fuel crisis. He explains why fusion will work — and details the projects that he and many others have devoted their lives to, working against the clock to create a new source of energy. Steven Cowley: …

Continue reading

Brian Greene: Making sense of string theory

In clear, nontechnical language, string theorist Brian Greene explains how our understanding of the universe has evolved from Einstein’s notions of gravity and space-time to superstring theory, where minuscule strands of energy vibrating in 11 dimensions create every particle and force in the universe. (This mind-bending theory may soon be put to the test at …

Continue reading

Vsause: How High Can We Build?

Vsause asks the questions; What’s the tallest THING we’ve ever built? How tall will we EVER be able to build?

Peter Jenni and Abraham Seiden: Hunting for the Higgs Boson

Fora TV presents Peter Jenni and Abraham Seiden who following the discovery of the Higgs Boson particle, talks about future projects the ATLAS group is working on at the Large Hadron Collider at CERN. Event Date: 11.07.12 Speakers: Peter Jenni and Abraham Seiden. Hunting for the Higgs Boson from swissnex San Francisco on FORA.tv

Kirk Sorensen: Thorium, an alternative nuclear fuel

TED presents Kirk Sorensen, who shows us the liquid fuel thorium reactor — a way to produce energy that is safer, cleaner and more efficient than current nuclear power. Kirk Sorensen stumbled across thorium while doing research on how to power a lunar community. Thorium is a cleaner, safer, and more abundant nuclear fuel — …

Continue reading

Bill Gates: Energy Innovation

Fora TV presents Bill Gates, who reflects on the future of nuclear power in the aftermath of the Fukushima disaster in Japan. “Software simulation changes the game,” argues Gates, highlighting the advantage of being able to virtually test new designs before building them. Gates underlines the importance of substituting energy innovation, for these being able …

Continue reading

Patricia Burchat: Shedding light on dark matter

FILMED FEB 2008 • POSTED AUG 2008 • TED2008 TED presents Physicist Patricia Burchat, who sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can’t be directly measured, but their influence is immense. Patricia Burchat: Shedding light on dark matter [FMP width=”720″ height=”400″]http://www.ourprg.com/Video/PatriciaBurchat_2008-480p-en.mp4[/FMP]  

Fora TV: The Entrepreneurial Race to Innovate a New Energy Future

Fora TV presents a discussion about the future of energy from the perspective of entrepreneurial innovation. Aside from the ITER (International Thermonuclear Experimental Reactor) immense fusion technology research by governments and countries across the world, innovation can be found on all levels. Energy is one of the biggest industries on the planet. Innovation at this …

Continue reading

How Does A Boomerang Work?

Veritasium explores the physical concepts behind a boomerang, as it can execute its unique roundtrip flight by making use of three fundamental physics principles: lift, relative velocity, and gyroscopic precession.

Fora TV: Fusion as a future energy source?

Nuclear fusion is a nuclear reaction in which two or more atomic nuclei join together, or “fuse”, to form a single heavier nucleus. During this process, matter is not conserved because some of the mass of the fusing nuclei is converted to energy which is released. Fusion is the process that powers active stars.   For several decades now, the possibility of nuclear …

Continue reading

Can We Go the Speed of Light?

Veritasium explains and explore the concept of the speed of light. The speed of light in vacuum “c”  is a important universal physical constant, its value is 299,792,458 meters per second, And a probably familiar equation containing this important constant is the famous E=mc^2.

Physics of Sailing

Veritasium asks the question; How does a sailboat work? The answer might seem obvious, but is it really? With Newton’s laws, vector subtraction, Archimedes’ principle and other mathematics are needed to answer how can a boat can sail upwind and how boats can sail faster than the wind.

Jeff Goodell: The Dirty Secret Behind America’s Energy Future

  Jeff Goodell exposes Big Coal: The Dirty Secret Behind America’s Energy Future. Cody’s Books presents a panel featuring Mother Jones publisher Jay Harris, author Jeff Goodell, former Sierra club president Adam Werbach, director of the UC Berkeley Renewable and Appropriate Technology Energy Lab Daniel Kammen and Natural Resources Defense Council staff scientist Audrey Chang. …

Continue reading

Misconceptions about temperature

Veritasium answers common misconceptions about how objects feel colder, but in reality are not.

Misconceptions about falling objects

Veritasium explores the concept of falling objects; “If you drop a heavy object and a light object simultaneously, which one will reach the ground first? A lot of people will say the heavy object, but what about those who know both will land at the same time? What do they think? Some believe both objects …

Continue reading

Dan Lubin: What’s Going On With the Sun?

Throughout the past century, while greenhouse gas (GHG) abundances have been steadily increasing and influencing Earth’s climate, the Sun has remained relatively bright and quiescent. Solar cycles have been steadily active, with instantaneous sunspot numbers at solar maximum exceeding 100 in every cycle since 1893 (Cycle 13). The climate warming we have experienced since the …

Continue reading

Levitating barbecue! electromagnetic induction

This excellent video by Veritasium shows us the power of magnetic induction. They also visit the lab of Michael Faraday in the basement of the Royal Institution, in London.

Discussion: Gravity

Big Think presents Erik Verlinde, who is a Dutch theoretical physicist and string theorist. The theoretical physicist believes that gravity is an emergent phenomenon, not the elemental “force” that Newton and Einstein theorized it to be. He thinks it is the result of patterns of complex, microscopic phenomena. By NASA on the mission of the Gravity …

Continue reading

Michio Kaku: Escape to a Parallel Universe

Like many physicists, Michio Kaku thinks our universe will end in a “big freeze.” Unlike many physicists, he thinks we might be able to avoid this fate by slipping into a parallel universe “in the same way that Alice entered the looking glass to enter Wonderland.”

Jonathan Trent: Energy from floating algae pods

TED presents Jonathan Trent talking about “fuel without fossils”: Jonathan Trent is working on a plan to grow new biofuel by farming micro-algae in floating offshore pods that eat wastewater from cities. Hear his team’s bold vision for Project OMEGA (Offshore Membrane Enclosures for Growing Algae) and how it might power the future. More information: …

Continue reading

1 10 11 12 13