Yeah their comment doesn’t seem right to me. After a bit of googling I found this answer talking about heating things up to see relativistic effects, however because the velocities of the atoms in an object that has been heated up are random it’s most likely not possible to detect any relativistic effects. https://physics.stackexchange.com/questions/351773/is-there-a-relation-between-fluctuations-temperature-and-time-dilation

Even more of a coincidence is that the recent UK general election was held on 4th July!

You don’t vote for a queen!

The British isles consists of both Ireland and the United Kingdom.

Into another environment?