Search results for frequency conversion

Earth Sciences 12 hours ago

Earthquakes can be destructive for distant cities built on top of basins—now we know why

Sedimentary basins—depressions in Earth's crust caused by tectonic activity—tend to be flat and are favored places to build cities. But during earthquakes, they can become natural resonance chambers.

Astronomy Jun 13, 2026

South African telescope detects record‑breaking signal from the early universe

Astronomers using the MeerKAT radio telescope in South Africa have discovered the most distant hydroxyl megamaser ever detected, opening a new radio astronomy frontier. A hydroxyl megamaser is a natural space laser, and this ...

Plants & Animals Jun 11, 2026

Why animal calls sound alike in time: Most species share a common communication tempo

From insects to great apes, by way of birds and fish, animals communicate through an extraordinary variety of sounds. While the pitch or timbre of their vocalizations matters, rhythm may play a more fundamental role. Scientists ...

Social Sciences Jun 10, 2026

Dads today talk more freely with their teens about sex and relationships

For many dads, talking with their teenager about sex and relationships can feel like a minefield.

Environment Jun 8, 2026

5 ways data centers endanger their local communities and the country as a whole

Every internet search, streamed video and AI-generated response depends on a data center somewhere. Driven by rapid growth in artificial intelligence, cloud computing and cryptocurrency, data centers have become the backbone ...

Environment Jun 4, 2026

School in a hot world: What research is saying about children's health and learning

Climate change is making southern Africa hotter. While much attention has focused on climate impacts such as droughts, floods and food insecurity, another crisis is unfolding quietly inside classrooms. Research has shown ...

Mathematics Jun 3, 2026

Overarming America: Game theory explores how fear and social pressure drive gun purchases

A Dartmouth College study is the first to map the interplay of personal choice and social networks that has led to the United States being one of the world's most heavily armed countries, with 120 firearms for every 100 people. ...

Environment Jun 3, 2026

Climate change may shift hailstorms toward Earth's poles—new study

Everyone has a storm story—whether it's that time you just escaped a downpour, or the hailstorm that wrote off your car. Even though hailstorms are relatively rare, they cause significant damage. Two new studies shed light ...

Earth Sciences Jun 2, 2026

Extreme weather is making Antarctic research harder, but new technology is providing some answers

When you think of Antarctica, you might imagine a stark, otherworldly continent of endless, white ice, with the only sound being the wind punctuated by the crack of a glacier calving in the distance.

Earth Sciences Jun 1, 2026

Cities are making it rain more—but not as much as scientists thought

After another spell of wet weather along Australia's east coast, with storms, heavy rain and flash flooding across Sydney and parts of New South Wales, it is natural to ask whether our cities are shaping the rainfall that ...

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