Weighing antimatter

Does antimatter behave like matter in gravity? This is the question a team of researchers wants to answer in the near future. If their behaviors happen to be different, it would have extremely important implications, and could maybe solve several long-standing problems.
Scientists from the University of California are on their …

Escaping the dark side

As most of you have probably already noticed, I am not particularly fond of the standard model of cosmology… More precisely, I have a problem with dark matter and dark energy, what I call the “dark side” of the Universe. Many times, I was asked why, so I will give …

Matter and antimatter – A fundamental symmetry confirmed

According to theory, matter and antimatter have exactly the same properties, except for the opposite electrical charge. Researchers have now calculated the antiproton mass relative to the electron with unprecedented precision: it weighs exactly the same as its matter counterpart, the proton.
The laws of nature are assumed to obey a …

Is dark matter an illusion?

A researcher has suggested that dark matter might simply be an illusion, rather than some unknown non-baryonic matter. Assuming that antimatter has a negative gravitational charge, the “illusion” would be explained by the resulting gravitational polarization of the quantum vacuum by ordinary matter.
The need for dark matter first appeared with …

Antimatter produced by thunderstorms

Fermi, NASA’s gamma-ray telescope, has detected antimatter particle beams produced by thunderstorms. This is the first time such a phenomenon has been observed.
Antimatter is the mirror image of matter: particles of antimatter and matter have the same mass but opposite electric charge. For example, a positron is the mirror image …

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