Quantum & RelativityCosmology
The Big Bang on Your Old TV
Part of analogue TV static is the oldest light in the universe
Between channels, an old TV showed snow and hissed. What if a few of those dots were older than every star?
You'll find out
- What the snow on an old TV was made of
- Why the oldest light became microwaves
- Who found it while chasing a hiss
Why it matters
It's the oldest light anyone can see, and it shows what the universe looked like before any star.
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