Search results for drag force

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 ...

Plants & Animals Oct 31, 2023

Researchers observe wolves hunting and killing sea otters and harbor seals on Alaska's Katmai coast

Firsthand observations of a wolf hunting and killing a harbor seal and a group of wolves hunting and consuming a sea otter on Alaska's Katmai coast have led scientists to reconsider assumptions about wolf hunting behavior.

Environment Oct 24, 2023

The mighty Mississippi, America's water highway, is dangerously low

In the middle of the shrunken Mississippi, a barge drags a giant metal-edged suction head along the riverbed to remove sediment from shipping lanes.

Bio & Medicine Oct 23, 2023

3D-printed hairs: Professor developing tiny sensors to detect flow and environmental changes

Eyelashes and brows catch dust and debris from entering eyes. The same idea goes for tiny nose and ear hairs. At a more microscopic level, the tiny hair-like cilia that line human cells help detect subtle environmental changes ...

General Physics Oct 12, 2023

Scientists develop theorem to calculate fuel economy of a microswimmer

The amount of power a microswimmer needs to move can now be determined more easily. Scientists from the department Living Matter Physics at the Max Planck Institute for Dynamics and Self-Organization (MPI-DS) developed a ...

Agriculture Oct 11, 2023

America's farmers are getting older, and young people aren't rushing to join them

On Oct. 12, National Farmers' Day, Americans honor the hardworking people who keep the world fed and clothed.

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