Everybody knows, Alexander Graham Bell invented the first telephone.
But not everybody knows that it was a complete failure and didn't work.
It wasn't until he invented the second telephone...........
Isn't that a Yorkshire dartboard?
The one in the picture isn't 'cos it's got a 25 ring round the bull. Having done my drinking apprenticeship on Yorkshire, I always thought the "normal" board with trebles was cheating😁
I never been to Yorkshire in my life but I was aware of a Yorkshire dartboard having no treble. I didn't realise it had no 25 too.
Here's the answer to save people asking:
https://en.wikipedia.org/wiki/Doppler_effect
Whilst I like the red / blue gag, I can't help but point out that length contraction depends on relative velocity not whether the thing is nearing or receding