Professor Brian Cox
speaker
436 appearances
1 recordings
1 series
first heard Aug 2026
last heard 3 Aug
Professor Brian Cox’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 1 in all, peaking in Aug 2026 with 1.
Appearances
It's one foot per nanosecond.
So if you're now one foot away from your computer screen, let's say, then you're seeing it one nanosecond in the past.
So it's in that sense that if you look at a galaxy, the most distant one we've seen at the moment is called MOMZ14, actually, M-O-M-Z-14.
Oh, that's cute.
And the light travel time from that is 13.5 billion years.
So you're seeing it as it was 13 and a half billion years ago.
But that's just in the same sense.
Yeah, so you're seeing the Sun as it was eight minutes in the past.
No, you're right.
If you put a mirror where the sun is, then I guess you're right.
You'd see a reflection of the earth as it was 16 minutes ago.
Well, you see, it's just in that sense.
It's in exactly the same way that you're seeing your computer screen in the past.
But it's only a nanosecond.
I have absolutely no idea what that question means.
Okay, fine.
That's fine.
Yeah, we did a radio show on this a few years ago now and some...
And there's a guy called Nick Bostrom who thinks about this quite a lot in Cambridge.
And he managed to convince everybody that we probably were living in a simulation.
Showing 81–100 of 436 · page 5 of 22
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