collisions

From 2 miles to collisions in 34 seconds coincides with just under 4 miles a minute closure or 240kts.

Quantum computers should also be able to reverse hashes and find collisions easily: the NP algorithm for this is trivial.

Remember though, they're not going to be descending at 80mph, which is really the only time you'd need to worry about collisions.

Even if we ignore the possibility of hash collisions (since that's not that likely yet with SHA 256)..

The birthday problem dictates that you start getting collisions after ~sqrt(D) random entries.

Avoiding collisions / ensuring uniqueness is left as an exercise for the reader.

Since everyone used that format, you had to be careful of collisions anyway.

Most fighter-to-fighter mid-air collisions occur during dogfighting practice, or during formation join-up.

With 16.7 million colors for billions of users, and the birthday paradox, there are going to be collisions in the space of web colors.

The effects of greenhouse gases are mild compared with planetary collisions or large volcanic eruptions so it's unlikely any positive feedback loop will occur.

Imagine if your robotics software suddenly decided it needed to garbage collect or JIT some code when it should've been making a decision to avoid collisions...

Many will equip, but nowhere near all, and nowhere near enough to design a system that relies on every bogey having ADS-B out to avoid mid-air collisions.

From [1]: " [The University of Washington’s Autonomous Flight System Lab] came up with a novel way to [modeled the UAS collision risk], reasoning that the known behavior (and random collisions) of gas molecules could serve as a way to predict collision probabilities between VFR aircraft, including UAS.