Microwaves are convenient for reheating leftovers.

Scientists have discovered a new microbe capable of degrading plastic materials.

The size of this virus is about 200 microns.

During our last biology class, we used a microscope to observe cells.

The singer adjusted the microphone before starting his performance.

The library has many microfiches for historical research.

The microfilm contains important historical records.

The scanning tunneling microscope is used to study surfaces at the atomic scale.