Unless you consider designer gene splices to be inventions, the smallest thing I can think of are some of the medical devices such as used in micro-surgery.
it is atom
Bacteria
Aydogan Ozcan, an assistant professor of electrical engineering at UCLA, invented the world's smallest and tiniest lensless microscope for use in telemedicine..
omg aj's pubes.
The 19th smallest country in the world is Cyprus, an island country in the Eastern Mediterranean Sea.
no there are more smaller things then a adom
The atom is the smallest unit containing a nucleus. However, this is not considered living. The smallest living thing in the world (besides viruses) are a parasitic Bacterium called Mycoplasma Gallicepticum.
The second smallest thing in the world is thought to be a quark, which is a subatomic particle that is a building block of protons and neutrons. Quarks are fundamental particles that are not thought to have any substructure.
Atoms are considered the smallest building blocks of matter in the world. They are made up of protons, neutrons, and electrons, which are even smaller particles.
the first thing invented was the wheel. take that people of the world.
The cell is the smallest living thing and an atom is the smallest non-living thing.
what is the smallest living thing microbiology will study