For those of you who enjoy time travel, thought exercises, physics, Doctor Who, or just hate bad time travel concepts (me!), here’s a fun and informative article.
The invisible dangers of travelling through time
The mishaps caused by time travellers exploring the past are a staple of science fiction. But what does physics think?
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J.R. Johnson 
[…] do I share this? You did see my previous post on time travel, […]