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ScienceIQ Facts

Physics & Astronomy Facts

Without buoyancy, the vapor produced by boiling simply floats as a bubble inside the liquid after the heating has stopped. Surface tension effects cause the many small bubbles produced to coalesce into one large sphere.
Bizarre Boiling

The next time you're watching a pot of water boil, perhaps for coffee or a cup of soup, pause for a moment and consider: what would this look like in space? Would the turbulent bubbles rise or fall? A ...
This photograph of the coil-shaped Helix Nebula is one of the largest and most detailed celestial images ever made.
A Ring Around a Dying Star

In November 2002, sky watchers were viewing the glow of meteors from the Leonid meteor shower burning up in Earth's atmosphere. They had been anticipating this celestial light show for months, expecti ...
Normal Sight: Normal ray tracing of light to the retina. Shows image will
Does Your Brain Do Flips?

You may not be aware of it, but when you look at the world, the image projected on your retina is upside down. This is due to the optics used by our eyes. Our brain compensates for this upside down vi ...

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