Time travel is ethical because we can learn about the past, solve unsolved crimes, and visit our lost loved ones. It has been proven that time travel can be very useful in most cases. Lack of knowledge about how the future will evolve given changes in the past is no different than lack of full knowledge of future consequences. We have the knowledge of how the past went but we can go back in time to see what we did wrong and improve our work. Changing the past will only affect us, so it's best to learn from our mistakes and make improvements. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an Original Essay Being able to travel back in time can be very helpful because many scientists don't have much information about certain diseases or other climates they were in before. Time travel is ethical because we can know the past and that could provide better material if we knew the past. It can update what we have already learned. Knowing what kind of weather conditions and electricity and much more can help us learn things more quickly and get ahead on things we actually need to focus on. As Katherine Anne Porter quotes “The past is never where you think you left it”. It talks about how the past is not over and we still have a lot to learn and we should care about learning about the past. Having a time travel machine could help the DEA or police solve unsolved crimes that cases were never closed because they couldn't find any evidence or thing to prove their point. “Past crime scenes could be reconstructed almost perfectly with multiple video recordings and three-dimensional imaging techniques, and would greatly improve the quality of forensic evidence and perhaps even deter crime.” Having a time machine can actually solve murder cases like Tupac who is a rapper or even Biggie who is also a rapper. Being able to solve cases can get them closed for good, so work on other cases and solve criminal cases more quickly and easily. Many people who have lost a loved one feel really upset and depressed because they can't see their loved one. those. If people had access to a time machine just to visit and relive their past, it could actually change many people's lives. Ralph Waldo Emerson quotes “It is not the length of life, but the depth of life.” It sets itself apart by telling you that it shouldn't matter the length but the depth, so when you time travel, you should care about the depth you enter when visiting a missing loved one. It can teach you many things about death. Please note: this is just an example. Get a custom paper from our expert writers now. Get a Custom Essay Many people disagree because they think that visiting missing loved ones or solving cold cases or learning about the past , means nothing and you just have to move one and let it go. “People will simply take advantage of the time machine.” They're not wrong but they're not right either because first of all there are people who can take advantage of the time machine, but if we signed a contract and set some rules, that could really help people take advantage of it and it can also heal a lot of people by allowing them to see their lost loved ones. Also allowing scientists, doctors and more to learn about chemicals and treatments for diseases. Works Cited Davies, P. C. W. (2014). How to build..