Absolutely!
Yes.
goths did not exist in the 1950s the culture hadn't begun until the late 1970s but was more popular in the 1980s
In the 1950s teenagers made the concept of youth culture such as rock and roll music popular. Prior to the 1950s youth culture simply did not exist.
The Berlin Wall didn't exist until 1961.
No, rock music did not exist until the mid-1950s
Perpetual Motion Machine.
Some physicists believe that if wormholes exist, there is the possibility that time loops exist. Theories of time loops have existed since the 1950s.
Yes, from simple "generate, load and sell" to a very complex solutions, including direct top-up via billing system connected to the machine c/o payment platform. For all types of solutions I would like you to refer to the website of Opal Manufacturing. Those Canadian guys are making reliable and highly professional equipment.
You have to go to an explosives dealer that sells TNT. Yes, they exist. They will ask to see your explosives license before you can buy anything from them--like any business that deals strictly with "the trade," if you're not in the trade they won't even let you buy a Coke out of the vending machine in the office.
Such a machine would be described as "One hundred percent efficient". Such a machine doesn't exist.
no one.there's no such thing as a time machine.
Nowhere it doesn't exist.