The Largest Black Holes in the Universe (VERSION ONE)

We’ve never seen them directly, yet we know they are there, Lurking within dense star clusters, Or wandering the dust lanes of the galaxy, Where they prey on stars, Or swallow planets whole. Our Milky Way may harbor millions of these black holes, the ultra dense remnants of dead stars. But now, in the universe […]

TIMELAPSE OF THE FUTURE: A Journey to the End of Time (4K)

Supported by: Protocol Labs What does our future hold? “Everything has its wonders, even darkness and silence…” – Helen Keller What does the future look like? How will the universe meet its end? We may never be truly certain. But science has begun to paint a stunning picture of how the future might unfold. Let’s […]

Tutorial: Solar Cell Operation

[MUSIC PLAYING] PROFESSOR: Hello everyone, today we’re going to learn how a Solar Cell is able to turn light generated mobile charges into electricity. Today’s lesson will use everything we’ve learned in the past videos to understand this effect. So, make sure you understand the material from the previous videos before watching. First, let’s go […]

Saturn’s Mysterious Moons (V1)

Some 900 million miles from the Sun… in the outer regions of our Solar System… orbiting the planet Saturn…. …lies a mysterious world. Enceladus is enveloped in ice. Because nearly all of the sunlight that manages to hit its surface is reflected back into space, it’s one of the brightest objects in the solar system. […]

White Holes | Space Time

This episode is supported by LegalZoom. Lurking in the depths of the mathematics of Einstein’s general relativity is an object even stranger than the mysterious black hole. In fact, it’s the black hole’s mirror twin: the white hole. Some even think that these could be the origin of our universe. The astrophysical phenomenon of the […]

Scientists Just Got One Step Closer to Solving an Antarctic Mystery

In recent news, floating robots and elephant seals joined a scientific research team to help solve a mystery about our polar seas. Ok, there are giant, recurring holes called polynyas that tend to pop up in both the Arctic and Antarctic that scientists just did not understand. And no, these aren’t caused by the regular […]

Three Ways to Destroy the Universe

One day the universe will die. But why? And how? And will the universe be dead forever? And how do we know that? First of all, the universe is expanding. And not only that, the rate of its expansion is accelerating. The reason: dark energy. Dark energy is a strange phenomenon that scientists believe permeates […]

President Obama’s Oval Office Address on BP Oil Spill & Energy

President Obama: Good evening. As we speak, our nation faces a multitude of challenges. At home, our top priority is to recover and rebuild from a recession that has touched the lives of nearly every American. Abroad, our brave men and women in uniform are taking the fight to al Qaeda wherever it exists. And […]