Yeah I just watched my own video and was surprised to see exactly that. Because I remember reading somewhere else years ago that an ideal anti-satellite weapon would either de-orbit a satellite (like bumping it off orbit so it burns up) or use some kind of net/capture to push it off orbit, rather than blow it up.
Now this is going to have to be a rabbit hole for me (and some AI) this weekend.
Their test was in a low-ish orbit so most of the debris is gone now.
I haven't looked at stats lately but I'd guess the #1 source of debris in space right now is still the Chinese ASAT test which threw a bunch of crap into Medium Earth Orbit. Before that, the main source of debris was leaking coolant from some nuclear reactors the Soviet sent up
Dont get me started on the number of times Signal/formerly Skype opened up a dialog in-the-midst of me typing and me accidentally accepting a call because i happened to write 'space' at that moment in time
That depends a lot on many factors and thus I dont like generic statements like that which tend to be more focused on a specific database pattern. That said everyone should indeed be aware of the potential tradeoffs.
And of course we could come up with many ways to generate our own ids and make them unique, but we have the following requirements.
- It needs to be a string (because we allow composing them to 'derive' keys)
- A client must be able to create them (not just a server) without risk for collisions
- The time order of keys must not be guessable easily (as the id is often leaked via references which could 'betray' not just the existence of a document, but also its relative creation time wrt others).
- It should be easy to document how any client can safely generate document ids.
The lookup performance is not really such a big deal for us. Where it is we can do a projection into a more simple format where applicable.
It matters because it helps the "Elon Bad" storyline, that seems to be the connecting thread between all these "reports" whether about SpaceX or Tesla by some news outlets which dont even do the due diligence of putting the stories into any kind of perspective or try to find out if the implied premise of the headline is true or should even matter to the casual reader.
reply