The sticker should also say something like “But don’t worry, we’re going to be evaporated in a huge explosion anyway, due to the gigantic release of energy when you crash into my car in a few nanoseconds.”
Comment on bumper sticker
RiceMunk@sopuli.xyz 15 hours ago
Exercise for the reader: Assuming average human eyesight, how many picoseconds away from a collision are you if you can read that size of text and the relative velocity between you and the car ahead of you is large enough that the red label is sufficiently blueshifted to look blue?
glorkon@lemmy.world 14 hours ago
redsand@lemmy.dbzer0.com 6 hours ago
I want to know how fast you need to go to be color shifted on a traffic camera. The more I think about it the less likely getting enough light to be picked up by the camera might be an issue even with perfect placement
janus2@lemmy.zip 14 hours ago
does the observer have to be able to see the sticker with normal human eyesight? if so that constrains distance (which maybe doesn’t matter?)
jaybone@lemmy.zip 11 hours ago
At that point it’s like the end of 2001: A Space Odyssey
Zkuld@lemmy.world 14 hours ago
for 800nm to 400nm, we need gamma=2. So v~.86c. At 20m this gives you ~80ns.
moriquende@lemmy.world 12 hours ago
For perspective, this speed is:
In one second, you would travel around:
Which is around 6.43 times around the Earth’s equator.
not_woody_shaw@lemmy.world 16 minutes ago
It was a graveyard graph.
jaybone@lemmy.zip 11 hours ago
But how many Olympic sized swimming pools full of jello?
groet@feddit.org 11 hours ago
About 3 large boulders the size of a small boulder.
moriquende@lemmy.world 10 hours ago
Depends on the flavor
fartographer@lemmy.world 5 hours ago
So, some paint might get exchanged?