Counterweight
51Artificial gravity — is a simulation of gravity in outer space or free fall. Artificial gravity is desirable for long term space travel for ease of mobility and to avoid the adverse health effects of weightlessness.MethodsArtificial gravity could be created in… …
52Medieval technology — Pumhart von Steyr, a 15th century supergun …
53Launch track — The launch track is the section of a launched roller coaster in which the train is accelerated to its full speed in a matter of seconds. A launch track is always straight and is usually banked upwards slightly, so that a train would roll… …
54Katie Power — Energizer Katie as Energizer from GLA #2. Publication information Publisher Marvel Comics …
55Jack Power — Superherobox| comic color=background:#ff8080 character name=Mass Master caption=Mass Master, on the cover of the 2000 mini series. real name=Johnathon Jack Power publisher=Marvel Comics debut= Power Pack #1 (August 1984) creators=Louise Simonson… …
56Glimmer Glass Bridge — The Glimmer Glass Bridge is a bridge located in Manasquan, New Jersey. It carries traffic from Brielle Road over the Glimmer Glass, a navigable tidal inlet of the Manasquan River. It is owned by County of Monmouth.The Glimmer Glass Bridge was… …
57Balmain East ferry wharf, Sydney — Balmain East Ferry Wharf (also known as Darling Street Wharf) is the commuter wharf serving Balmain East in Sydney, Australia, and is part of the Sydney Ferries network. The wharf is on the southern side of Sydney Harbour at the end of Darling… …
58Storm the Castle — is a building event for Science Olympiad.Competitors build a device that launches a projectile by using the energy of a falling counterweight. See the Catapult and Trebuchet pages for more information on these devices.The judges designate the… …
59Scharnebeck twin ship lift — The Scharnebeck twin ship lift is on the Elbe Seitenkanal, which connects the Elbe (at Artlenburg) and the Mittellandkanal (near Wolfsburg).The boat lift was built in Scharnebeck to the North east of Lüneburg in 1974 and was at that time the… …
60Skyride (Great Adventure) — The Skyride at Six Flags Great Adventure is one of the few remaining dual gondola lifts in the world. It was originally built for the 1964 New York World s Fair then moved to Great Adventure after the fair closed [cite web… …
