Eighty years ago, Penn researchers J. Presper Eckert and John Mauchly launched the age of electronic computing by harnessing electrons to solve complex numerical problems with ENIAC, the world's first ...

These hybrid particles combine light’s speed with matter’s ability to interact, enabling optical signal switching. Credit: Zhi Wang Eighty years after the creation of ENIAC, the world's first ...

Nanoparticles are particles that exist on a nanometre scale (i.e., below 100 nm in at least one dimension). They can possess physical properties such as uniformity, conductance or special optical ...

Particle physics is the study of the elementary building blocks of matter and radiation and their interaction. The fundamental particles are summarised by the standard model. This includes leptons ...

The table below shows a comparison of the same substance in three different states. A single particle does not have the properties of the material it is part of. The properties of a substance are the ...

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1 mol is the amount of substance that contains the same number of particles as there are atoms in 12.0 g of carbon-12.