"Ross A. Finlayson" wrote:
> I see this in the news yesterday for the first time, did not know that someone was
> actually using lasers for propulsion already.
> These scientists are flying a 6-inch diameter craft up 100 feet with a laser (light
> amplified by the stimulated emission of radiation or coherent light) as propulsion.
Scientists at the Air Force's Phillips Lab have been doing it since at least last summer.