Alex, try usnautilus.org then e-mail the director, LCDR Frank Sides, I think he may be a contact for you. Hope this helps.
An early form of the periscope was used to see over the tops of the trenches.
No, the biggest telescope in the world currently is the Large Binocular Telescope. But Hubble is the biggest spacetelescope.
A Periscope is a type of observation material used during World War I. It is made up of two mirrors in parallel position with an angle of 45 degree placed inside a case. Periscope can also be seen on submarines and other military equipment.
Yes currently although the James Web Telescope will be bigger when it is launched.
The most powerful telescope in the world is called the James Webb Space Telescope (JWST). It is a space-based observatory designed to study the universe in infrared wavelengths.
No. He made the first printing press which changed the world.
it should be the hubble space telescope because it can see 10 times better than a normal telescope
no
Mars
The largest optical telescope in the world today is the Gran Telescopio Canarias (Grand Canary Telescope) in Spain, with an effective diameter of 10.4 meters. The world's largest individual radio telescope is the RATAN-600 in Russia, with the effective diameter of a 600 meter dish.
The periscope was invented in 1450 by Johann Gutenberg. He invented the periscope so that people could see over people's heads in crowds. In World War I the design was perfected and used so that people could see up and around the corners from their hiding places
France