If there is a line of cars and they all start moving the same time with the same speed and acceleration, will they crash into each other? or will they move together?

It would take a lot of coordination to pull off something like that, but it would look cool.

How are crop circles created? If they are done by farmers, how do they pull off such magnificent feats?

There are many theories that they have been created by aliens. The detail on some crop circles is absolutely amazing.

What happens when someone passes away? Where do they go? What happens to their soul? Are they conscious of everything that is going on?