not yet if there was you wouldn't want to mess with the past. you could mess somthing up. even if it would benafit man-kind. say you went back in time. and you stop 911 from happening? what would the effect be on the pesrent day? would we have gone to war? would Obama be president? all the answers in the world. could not solve what you would be looking for. now if you travel to the future and find out they make flying cars and what not. you could stumble across a rift that yet has to be formed plus.... we don't have the tech to make a 500M kilawatt hyper drive to travel in time... but we will one day.... or by the year... 5161.... i think.... but the answer to ur search is no there are no time travel machines.
timetravel
Plastic surgery, timetravel and hypnosis should do the trick
timetravel has multiple theories about how it could work but none of them have been proven yet.
Timetravel_0 - 2009 was released on: USA: August 2009 (Washougal International Film Festival)
It depends on the book or movie. Generally it does take place in the future because sci fi is all about aliens, timetravel, and technology.
Plastic molding machines; soldering machines; computer machines; humans; assembly machines; cooling machines; heating machines; electric machines; labeling machines; laser machines; conveyor machines.... etc.
All machines are constructed from six simple machines
Yes, sorry, I dont think there is a way for that, the way you requested, the only way includes lot of time travel, work, etc!
six compound machines
Sex machines and Milk machines
The different types of weight machines available for strength training include leg press machines, chest press machines, lat pulldown machines, cable machines, and Smith machines.
Photocopiers, fax machines, franking machines, computers, coffee machines, shredders, scanners and others.