Ciro Santilli @cirosantilli 40

Double cover of $SO(3)$.

Isomorphic to the quaternions.

TODO understand better, mentioned e.g. at Subtle is the Lord by Abraham Pais (1982) page 20, and is something that Einstein worked on.

Ciro Santilli likes Magic: The Gathering and he was pleased when he learned that Steve Wozniak does too, and has an expensive collection: redsunsoft.com/2019/03/how-a-post-to-play-magictg-turned-into-an-afternoon-with-the-woz/

Cute synonym for second brain, sample usage: beepb00p.xyz/exobrain/#cntnt

Makes RNA from RNA.

Used in Positive-strand RNA virus to replicate.

I don't think it's present outside viruses. Well regulated organisms just transcribe more DNA instead.

www.youtube.com/watch?v=6DxlkxA82FM COVID-19 Symposium: Entry of Coronavirus into Cells | Dr. Paul Bates

Interaction points:

Huge respect to this companies.

Claims provably fair. satoshidice.com/fair clarifies what that means: they prove fairness by releasing a hash of the seed before the bets, and the actual seed after the bets.

As mentioned in bitcoin.it, it functions basically as cryptocurrency tumbler in practice.

Leads to the Klein-Gordon equation.