Latest Proton Stories
To make fuel cells more economical, engineers want a fast and efficient iron-based molecule that splits hydrogen gas to make electricity.
An international group of scientists led by Aldo Antognini, a physicist at the Max Planck Institute for Quantum Optics, say the proton, a basic building block of all matter, appears to be smaller than previously thought.
Researchers reported today in the journal Science Express that the ratio of the proton's mass to that of the electron has hardly changed over the past seven billion years.
- A coin originally worth six pennies Scots, and later three; held equivalent to an English halfpenny.
- (in plural) Money; cash.