Time travel has been a popular topic for science fiction for decades. Some scientists say that positive matter and negative matter can make a black hole that creates a subway in time that takes you to the past present or future. Another reason why they say time travel is possible is because Albert Einstein showed that time is simply an illusion. Other scientists believe that time travel is not possible. I found this article to be very interesting because there are many reasons and explanations for why time travel can or cannot be possible.
This article relates to engineering because it involves coming with possible ideas for a time travel machine. This a task that would require planning, designing, and building.
Below is a link to the article:
https://www.space.com/21675-time-travel.html
