Uncategorized
- Physics
Physicists may have finally spotted elusive clusters of four neutrons
Long-sought clumps of four neutrons called tetraneutrons last less than a billionth of a trillionth of a second, an experiment suggests.
- Astronomy
Gravitational wave ‘radar’ could help map the invisible universe
Gravity ripples scattering off warped spacetime near massive objects might help astronomers peer inside stars and find globs of dark matter.
- Science & Society
Russia’s invasion could cause long-term harm to Ukraine’s prized soil
War will physically and chemically damage Ukraine’s prized, highly fertile chernozem soils. The impacts on agriculture could last for years.
- Physics
How fast a row of dominoes topples depends on friction
Computer simulations reveal that two types of friction are important in determining how quickly dominoes collapse.
