It’s been a great week for space explosions! Astronomers learned more about the mechanism that causes novas by looking at the nova V906 Carinae, and the brightest supernova ever recorded shed some new light on pulsation pair-instability.

Yes, metals can exist in gaseous forms. To illustrate, let's consider lead, which has a boiling point of 1740°C. When heated past its melting point of 327°C, lead turns into a gas at 1740°C. Another notable example is mercury, which...

The change of state from a gas to a liquid.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

Any gas in the atmosphere that absorbs and re-emits radiation in the infra-red range, so warming the atmosphere and planet's surface.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds...

When a solid changes directly into a gas, without passing through a liquid stage.
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br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Yes, metals can exist in gaseous forms. To illustrate, let's consider lead, which has a boiling point of 1740°C. When heated past its melting point of 327°C, lead turns into a gas at 1740°C. Another notable example is mercury, which...

Matter construction | summary

Have you ever wondered why or how your joints pop? In this video, I explain the physiological mechanism underlying the cracking or popping of joints such as those in the fingers or neck. The exact reasons may surprise you.<br/>

A superhero team of space telescopes has been working tirelessly to discover exoplanets and unveil their secrets. Now, a new superhero joins the team—the James Webb Space Telescope. What will it find?



Over the past...

Practice REAL problems from actual past IIT/JEE exams with Professor Dave!

This live-action video program is about the word biosphere. The program is designed to reinforce and support a student's comprehension and retention of the word biosphere through use of video footage, photographs, diagrams and colorful,...