The smallest remote controlled robot was made by engineers in the northwestern university and made July 10, 2022. The robots are shaped like crabs which are half a millimeter wide

The smart sprinkler controller first came out in the early 1960s to control large-radius lawn sprinklers, and over the years, this product has been updated and improved.

Surgically implanting these lenses inside the eye was one of the first options for smart lenses.

when two different metals are put into the potato the salts in the potato creates a bridge between them and the electricity is created when the ions released from the salt travel from one metal to another.