He envisioned Disneyland and then Walt Disney World with the EPCOT center (Experimental Prototype Community of Tomorrow).

FORBES: Steve Jobs Thought Bigger, Tim Cook Thinks Smaller

PS1 is the experimental prototype for a larger telescope to be built called PS4, which will have four times the power of PS1 and is planned for Mauna Kea in Hawaii.

BBC: Pan-Starrs telescope begins operations to hunt asteroids

The Joint European Torus (JET) is located in Britain, which is the largest such facility in the world and may be regarded as a prototype for the International Thermonuclear Experimental Reactor (ITER) based in France.

FORBES: U.K. And U.S. Join Forces on Laser-Fusion Energy

It supports countless small experimental projects that build internal support from the ground-up and launch quickly in prototype to gauge user reaction.

FORBES: Is Google Too Rushed to Pioneer?