Search results for drag force

Space Exploration Apr 17, 2024

NASA to hoist its sail: Solar sail mission gets ready for launch

A NASA mission testing a new way of navigating our solar system is ready to hoist its sail into space—not to catch the wind, but the propulsive power of sunlight. The Advanced Composite Solar Sail System is targeting launch ...

General Physics Apr 16, 2024

Physicists explain, and eliminate, unknown force dragging against water droplets on superhydrophobic surfaces

Microscopic chasms forming a sea of conical jagged peaks stipple the surface of a material called black silicon. While it's commonly found in solar cell tech, black silicon also moonlights as a tool for studying the physics ...

Archaeology Apr 8, 2024

How conspiracy theories around George III's madness and Queen Charlotte's scheming took hold

During the Georgian period, the British royal family had a strange habit of concealing illness, even from themselves.

Plants & Animals Apr 4, 2024

A natural history of the Red Sea and the uncertain future of its corals

Early in May 2023, a small team of marine biologists arrived in the Saudi Arabian city of Jeddah. They'd flown into the local airport from Guam, the United States, Portugal, Spain and Japan, and they'd soon rendezvous with ...

Ecology Mar 26, 2024

Artificial reef designed by engineers could protect marine life, reduce storm damage

The beautiful, gnarled, nooked-and-crannied reefs that surround tropical islands serve as a marine refuge and natural buffer against stormy seas. But as the effects of climate change bleach and break down coral reefs around ...

Ecology Mar 26, 2024

Using suction cups inspired by fish to listen in on whale conversations

In their ambitious goal to understand and ultimately communicate with sperm whales, research scientists from Project CETI have enlisted the help of unlikely collaborators—clingfish.

Economics & Business Mar 20, 2024

If TikTok is banned in the US or Australia, how might the company respond?

TikTok's owner is once again navigating troubled waters in the United States, where the US House of Representatives has issued an ultimatum: divest or face shutdown within six months.

Space Exploration Mar 8, 2024

CSI in space: Analyzing bloodstain patterns in microgravity

As more people seek to go where no man has gone before, researchers are exploring how forensic science can be adapted to extraterrestrial environments.

Space Exploration Mar 4, 2024

New study addresses how lunar missions will kick up moondust

Before the end of this decade, NASA plans to return astronauts to the moon for the first time since the Apollo Era. But this time, through the Artemis Program, it won't be a "footprints and flags" affair.

Astronomy Feb 16, 2024

Even if we can't see the first stars, we could detect their impact on the first galaxies

For a long time, our understanding of the universe's first galaxies leaned heavily on theory. The light from that age only reached us after traveling for billions of years, and on the way, it was obscured and stretched into ...

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