News tagged with fluids

High-angle helix helps bacteria swim

(Phys.org) —A high-angle helix helps microorganisms like sperm and bacteria swim through mucus and other viscoelastic fluids, according to a new study by researchers from Brown University and the University ...

Aug 13, 2013
3.5 / 5 (2) 0 | with audio podcast

Simulating flow from volcanoes and oil spills

Some time around 37,000 BCE a massive volcano erupted in the Campanian region of Italy, blanketing much of Europe with ash, stunting plant growth and possibly dooming the Neanderthals. While our prehistoric relatives had ...

Aug 12, 2013
4 / 5 (1) 0

When fluid dynamics mimic quantum mechanics

In the early days of quantum physics, in an attempt to explain the wavelike behavior of quantum particles, the French physicist Louis de Broglie proposed what he called a "pilot wave" theory. According to ...

Jul 29, 2013
4.7 / 5 (34) 6 | with audio podcast

Big bang theory: How did dinosaurs have sex?

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long and wei ...

Jul 16, 2013
4.6 / 5 (7) 5

The zero gravity coffee cup

High above our planet in the realm of satellites and space stations, the familiar rules of Earth do not apply. The midday sky is as black as night. There is no up and no down. Dropped objects do not fall, ...

Jul 15, 2013
4.3 / 5 (8) 1 | with audio podcast

An all-glass lab-on-a-chip

Lab-on-a-chip devices are microfluidic cells that incorporate pipes, reaction vessels, valves and a host of other implements typically found in laboratories. These components are typically carved into a flat ...

Jul 04, 2013
4.9 / 5 (8) 0 | with audio podcast