Light-powered elevators race to the sky.

The article reports on the Space Elevator Games by the National Aeronautics & Space Administration (NASA) to help motivate the concept into practicality in California. Ben Shelef of the Spaceward Foundation said the game is set up to address the two core technological barriers to establish the Space Elevator. He added that the aim of the power-beaming games is to design, build and operate vehicles that travel up a vertical tether powered only through beamed power-transfer.