Star Trek has lots of cool technologies that have become a reality. There are invisibility cloaks and Tractor beams being made right now. And cellphones are like communicators and replicators are 3D printers. But, what we could all use is a transporter. This way we would not need to drive or go to an airport, we could just beam over to where we need to go and come back. Sounds wonderful!

Well, I spoke to physicist Lawrence Krauss, who is also the author of The Physics of Star Trek. He told me that a transporter takes us apart bit by bit. “In order to make you you, we need to put you back together atom by atom,” said Krauss. That sounds easy. But there is some bad news. There is a law in physics, in quantum mechanics, that tells us that the more we know where an electron is located, the less we know about how fast it is going. This is called the Heisenberg Uncertainty Principle.

To build a person atom by atom, we would need to know where each atom goes and how fast it is moving. But quantum mechanics says that we can’t know both of those things well. We can know one well, but not the other. So making a transporter would break the laws of physics.

Getting into a transporter would be a one-way trip. You might not like how you turn out.

So the short answer for “can we make a transporter?” is, “no.” We would be breaking the laws of physics to do so. And, we mustn’t do that.

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