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Fissionable material sufficient to fission if it comes together, a lab safe enough to handle such material, and mechanisms sufficient to bring the pieces of fissionable material together in what is called "critical mass".
Bare bones, you'd have a very large - and hard to transport - atomic bomb, of WWII size.
If you are wondering - given how easy that would be nowadays - why everyone doesn't have one, it's due to them being valueless without proper means of delivery. Which means they have to be small and yet still powerful, and be mounted on a very long range missile with a sophisticated guidance system.
What else can I help you with?
Why did the US build the atomic bomb?
To defend against a possible Nazi atomic bomb!
Who is credited with creating the atomic bomb?
Leo Szilard invented the atomic bomb in 1933, but no one person can be credited with creating it. Remember the US spent $2,000,000,000 on constructing and operating the huge industrial infrastructure needed to build them before a single bomb could be built!
What was the protect to build the atomic bomb called?
Manhattan Project
Did Roosevelt use SS fund to build the atomic bomb?
no
Did Russia steal the atomic bomb?
They did steal all the information needed to make it. Read "The Making of the Atomic Bomb" by Richard Rhodes
Is Nazi build atomic bomb?
the Nazi didn't build the atomic bomb the Americans did....
Why did the US build the atomic bomb?
To defend against a possible Nazi atomic bomb!
Brazilia has atomic bomb?
No, they designed but did not build them.
When did the us build the atomic bomb?
1945
Did Thomas Edison build the atomic bomb?
No, Thomas Edison did not build the atomic bomb. The atomic bomb was developed during World War II by the Manhattan Project team led by scientists such as J. Robert Oppenheimer and Enrico Fermi. Edison was a prolific inventor known for his work in electricity and the light bulb.
What did Manhattan project build?
the first atomic bomb.......................................
Who is credited with creating the atomic bomb?
Leo Szilard invented the atomic bomb in 1933, but no one person can be credited with creating it. Remember the US spent $2,000,000,000 on constructing and operating the huge industrial infrastructure needed to build them before a single bomb could be built!
What was the nickname of the project to build an atomic bomb?
the Manhattan project
What was the protect to build the atomic bomb called?
Manhattan Project
Did Roosevelt use SS fund to build the atomic bomb?
no
Manhattan Project to build the atomic bomb?
Yes, that was its codename.
How many years did it take to build an atomic bomb?
It takes very little time to build an atomic bomb, once a country has the necessary industrial infrastructure to produce the fissile material.
