Depends the type of aircraft, how many people are working on it and how long, and how advanced that company is in technology.. Now the planes are harder to build but now we have more technollogy. Before the planes were fairly simple to make, but they didn't have as much advanced technology.
In the 1970's the US imported 25% of the oil used and produced 75%. Today it is reverse. Now 75-80% is imported and the balance is produced in the US.
Around October 22 of 2039
The effects on the fragile desert ecosystem are still being felt today.
Wilhelm Roentgen was conducting an experiment and found that invisible cathode rays produced a fluorescent effect under certain circumstances. This led him to produce what we know today as X-rays.
i think people these days are trying to cotrol the hydregen bonds because that may effect
finger art is being produced today
There are many people that improved the airplane. The airplane is still being improved today.
all types of pop art are being produced today. Such as, soup cans, boots, ipods, sunglasses, etc. usually "Popualr" items.
Today- still being produced.
It is produced in the atmosphere, by radiation from outer space.
Alot.
they invented airplanes :) The deserve an award because they were the first men to successfully fly. Their technology is still being used today.
buggered if I know
people play with them,also they can launch airplanes.
The first generation of Nissan Altimas was produced in 1993. The Nissan Altima is still being produced today, with a new 2010 design just being released.
The Harley Davidson Sportster Motorcycles were first produced in 1957. They are still being produced today, and is also known as the "Sporty". Their predecessor was the KHK.
Started producing in early 90's and are still being produced today.