Physicists Designed an Experiment to Turn Light Into Matter::It would be a tangible demonstration of Einstein’s famous E = mc^2 equation.
Physicists Designed an Experiment to Turn Light Into Matter::It would be a tangible demonstration of Einstein’s famous E = mc^2 equation.
It’s not practical given our current technology, but theoretically it could be in the (far) future, in a situation where energy is abundant but matter is not.
Which, admittedly, is likely gonna stay a very niche situation. Mass is the densest form of energy that we know of, after all.