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Data storage and transmission: spoiler

Q: How much data storage is needed for various large amounts of data, eg

A: We work to 1 significant figure, but even this often isn't justified. Define some units for measuring large amounts of data:

Note 1 lorry = 1 fibreyear. To send 1 lorry of data up to about 5e8 m, say to the moon, the lorry is quicker than the fibre. To send 1 ship of data up to about 1e11 m, say to the sun, the ship is quicker than the fibre.

So we have

Non-spoiler


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