Suggest atoms exist.
Declared that all matter was made of only 4 elements fire, water, air, and earth.
Performed a number of experiments that eventually led to the acceptance of the idea of items.
Provided the 1st hint that an atom is made of even smaller particles.
Performed an experiment using a positively charged particles fired at gold foil.
Split Uranium Atoms in a process they called fission.
Scientists in Germany and United States each work on projects to develop the first atomic weapon.
The Large Hadron Collider at CERN enters a new era when it smashes beams of protons at the highest energy ever.