Latest about electrons
Tractor beams inspired by sci-fi are real, and could solve the looming space junk problem
Researchers are developing a real-life tractor beam, with the goal of pulling defunct satellites out of geostationary orbit to alleviate the space junk problem.
Are free radicals really that bad for you?
Free radicals are highly reactive molecules that are missing an electron. They get a bad rap, but could they actually have any benefits?
Scientists watch a single electron move during a chemical reaction for first time ever
For the first time, scientists visualized how electrons behave during a chemical reaction, which could help reduce unwanted byproducts in future chemistry.
Why can't we walk through walls if atoms are mostly empty space?
Most of an atom is empty space, so why does some matter feel solid? Two physics principles explain why.
Lightning on Earth is sparked by a powerful chain reaction from outer space, simulations show
A new model may have finally solved where storm clouds get their missing energy.
Where do atoms come from? A physicist explains.
Almost everything on Earth is made up of atoms, but where do these fundamental building blocks come from?
Did light exist at the beginning of the universe?
Was it dark after the Big Bang, or did light shine immediately?
Why isn’t an atom’s nucleus round?
The nuclei of atoms are often portrayed as round in textbooks, but it turns out they're rarely spherical.
