The question of where atoms comes from requires a lot of physics to be answered completely — and even then, physicists only have good guesses to explain how some atoms are formed.

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The United States was then encouraging countries to engage in the peaceful exploration of nuclear science through President Dwight D. Eisenhower’s “Atoms for Peace” initiative.

Reactions with the OH radical are expected to be the dominant removal processes for gas-phase polychlorinated dibenzo-p-dioxins and dibenzofuran (PCDD/Fs). The OH-initiated atmospheric chemical ...

So when is the summer solstice in 2025, and what's the science behind it? This year, the summer solstice in the Northern Hemisphere occurs at 02:42 UTC on Saturday, June 21, 2025.

Dark matter remains elusive, for example. Nobody knows why one kind of matter came to dominate after the Big Bang. And gravity is the most questionable member of the force family, lacking a quantum ...

Some functionality of this package relies on third-party libraries that are not installed by default. These optional dependencies (or "package extras") are specified during installation using the ...

US quantum tech unlocks 3D acceleration using 6 hair-thin lasers, cold atoms The entire setup with six hair thin lasers and tens of thousands of rubidium atoms cooled to near absolute zero ...

Kendall Mehling, left, and Catie LeDesma, right, with a new kind of atom "interferometer" on the CU Boulder campus. (Credit: Glenn Asakawa/CU Boulder) In a new study, physicists at the University of ...