Ah, the stately hot air balloon. Not really useful for all that much except for having a grand old time floating around the skies, it's still a marvel of simple physics. Fill a giant balloon with air.

Although scuba divers may appear to be "as free as a fish," they're actually loaded down with quite a bit of gear. The Avelo System is designed to help in that regard, as it moves the functionality of ...

Redwing, a robotic submarine about the size of a surfboard, is embarking on a five-year journey that will follow the famed ...

Survival and reproduction of many aquatic and semi-aquatic animals can depend upon how well they float. Tadpoles use various strategies to attain buoyancy, depending upon their stage of development ...

Editor's Note: Julian Hunt, the lead researcher on this study, has contacted us to say the figures quoted in the original press release, as well as the research paper and subsequently this piece, are ...

Explaining how a boat like La Salle's La Belle sinks is not all that difficult: The space within the boat fills up with water, either through the hull or over the boat's sides, causing the boat to ...

Introduction Have you ever thought about why most fishes never sink to the bottom of the ocean or float to the water’s surface? How is it that they can stay so perfectly buoyant underwater? You might ...

Gravity is one of those things without which life as we know it here on Earth could not have existed. Described by science as the force by which a planet or other body draws objects toward its center, ...

There’s a lie at the heart of Rodd Rathjen’s Buoyancy, and that lie is freedom. It’s a fantasy spun by capital: that a boy might be free to leave his family, forego the confined and overdetermined ...

In this sobering, moving drama, a Cambodian teenager runs away from home and is sold into slavery on a Thai fishing boat. By Manohla Dargis When you purchase a ticket for an independently reviewed ...

A Cambodian boy looking for a better life is sold into slavery aboard a Thai fishing trawler in 'Buoyancy,' Rodd Rathjen’s first feature and Australia’s Oscar submission. By Deborah Young Australia’s ...