undeleted_username

undeleted_username t1_jba0ter wrote

Due to gravitational lensing, the light from the galaxy took three different routes to reach us, so we see the same galaxy three times on the same picture; also, as each route has a different length, light took a different amount of time to reach us.

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undeleted_username t1_iydpho4 wrote

>An decentralized ledger can matter, especially for systems that are inherently distrustful.

The key here is "can"... yes, the technology behind the blockchain is solid and full of possibilities; but, right now, the reality is that it has no practical use.

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