A new experiment confirms that photons passing through a cloud of atoms can spend a negative amount of time there, and the ...

Penn scientists may have found a way to power future AI with exotic light-matter particles instead of electrons.

Researchers at Penn have created a hybrid light-matter particle that could dramatically speed up AI computing while using far ...

Eighty years ago, Penn researchers J. Presper Eckert and John Mauchly launched the age of electronic computing by harnessing ...

There are certain rules that the universe seems to follow in our everyday world. We can observe how objects are affected by their immediate surroundings, and we can see cause and effect in action. We ...

A snapshot of a computer simulation showing how energy density changes over time in the collision of a lead ion with a photon emitted by another lead ion. The world’s largest and most powerful ...

Scientists have detected changes in cosmic rays that could reveal the true origin of these extreme particles in the universe.

A new computational analysis supports the idea that photons (a.k.a. particles of light) colliding with heavy ions can create a fluid of 'strongly interacting' particles. In a new paper, they show that ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

(Nanowerk News) The world’s largest and most powerful particle accelerator may be producing the world’s tiniest droplets of liquid, right under scientists’ noses. Researchers supported by the ...