Berkeley Lab physicists join with their international colleagues in reaching a new frontier in antimatter science The ALPHA Collaboration, an international team of scientists working at CERN in Geneva ...

Researchers at the ALPHA collaboration at CERN have for the first time succeeded in cooling down antihydrogen atoms using laser light. Antihydrogen is the simplest form of atomic antimatter, and the ...

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One of today’s celebrity scientific instruments, the atomic force microscope (AFM), is valued despite some quirks. Famous for rendering atoms visible, it can also be blind. That shortfall has been ...

An STM consists of an oscillating metallic tip that scans the surface of a sample while hovering about 1 nanometre above it. Electrons quantum mechanically tunnel across this tiny gap and the size of ...

Part of Physics (Single Science) Unit 1: Atomic and nuclear physics Most of the mass and all of the positive charge of an atom is in the nucleus. Most of an atom is empty space, (a vacuum). In 1897, ...