Search results for drag force

General Physics Jan 10, 2024

Scientists resolve intriguing phenomenon of superlubricity and formulate its laws

Skoltech researchers have explained why very weak friction obeys different laws than those governing regular friction as we know it from school physics. Among other unexpected and counterintuitive features, the alternative ...

Biotechnology Jan 9, 2024

Fastest swimming insect could inspire uncrewed boat designs

Whirligig beetles, the world's fastest-swimming insect, achieve surprising speeds by employing a strategy shared by speedy marine mammals and waterfowl, according to a new Cornell University study that rewrites previous explanations ...

Evolution Jan 2, 2024

The mighty coast redwoods are born to change. But can they evolve fast enough to survive climate warming?

Coast redwoods—enormous, spectacular trees, some reaching nearly 400 feet, the tallest plants on the planet—thrive mostly in a narrow strip of land in the Pacific Northwest of the United States. Most of them grow from ...

Paleontology & Fossils Dec 27, 2023

Unusual ancient elephant tracks had our team of fossil experts stumped—how we solved the mystery

Over the past 15 years, through our scientific study of tracks and traces, we have identified more than 350 fossil vertebrate tracksites from South Africa's Cape south coast. Most are found in cemented sand dunes, called ...

Ecology Dec 21, 2023

In mighty Atlantic Ocean, ecosystem wonders and threats lie below the surface

Scientists from numerous countries are joining forces to tackle risks to life in the world's second-largest ocean.

Social Sciences Dec 15, 2023

War in Gaza: An ethicist explains why you shouldn't turn to social media for information about the conflict

As the war between Israel and Hamas drags on, many on both sides have taken to social media to gather information and air their outrage. The impulse to do so is understandable: Political activism on social media provides ...

Nanophysics Dec 15, 2023

Ultrafast lasers map electrons 'going ballistic' in graphene with implications for next-gen electronic devices

Research appearing in ACS Nano reveals the ballistic movement of electrons in graphene in real-time.

Plasma Physics Dec 4, 2023

Collisions change how fast ions surf on plasma waves in fusion experiments and beyond

Just like there are waves in the ocean, waves can also occur in an electrically charged gas called a plasma, made up of electrons and ions. In the ocean, people surf by riding their boards at nearly the same speed as the ...

Molecular & Computational biology Nov 26, 2023

The way a sperm tail moves can be explained by mathematics worked out by Alan Turing

Alan Turing might be best know for his work helping to crack Germany's "Enigma" communications code during the second world war. But he also came up with a theory where patterns can form just through chemical compounds spreading ...

Social Sciences Nov 7, 2023

Black women teaching science find ways for incorporating anti-racist practices

Whether teaching about the practices and systems that led to high rates of diabetes in Black communities or discussions about the Flint water crisis, Black female science teachers are finding ways to incorporate anti-racist ...

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