* Walking. * Ships. * Vehicles, * Trains, * Pack animals, * Aircraft,
No, they are all out of service.
The first Airbus aircraft flew in 1972. They are still making aircraft today (Mid-2013).
Magnetic compasses are still used in various applications today, including in navigation on ships and aircraft, hiking and camping, and in certain scientific instruments. While digital technology has largely replaced traditional compasses in many contexts, the basic principle of the magnetic compass remains important for providing reliable directional information.
Yes. Cruise ships are a major industry.
The rank of "Commodore" is an honorary one, not an actual Navy rank (at least not in today's Navy). A Commodore is a Senior Navy Captain who is a Squadron Commander of a group of ships, submarines, aircraft, etc. Though the officer is addressed as "Commodore", he/she still wears the rank of Captain.
1. Archimedes' principle - while constructing ships
I would think so, considering US aircraft destroyed innumberable Japanese ships, from landing craft to aircraft carriers. US Aircraft destroyed the Yamato. and that was in World War 2, well before the high-tech stuff we have today.
Cessna Aircraft produces different types of airplanes- from medium sized company jets to singe engine airplanes. Cessna began in 1927 and is still a strong leader in aircraft production today.
Submarines are still used by many navies to watch other navies ships and to protect coastlines secretly.
the bifocal spectacles, lower compartments on ships keeping water out, and the odometer are used today.
with out it,we wouldn't have weapons,big buildings,train tracks ships,or sky scrapers