Yes, when I first saw that video, I couldn't (and still can't)...

Yes, when I first saw that video, I couldn't (and still can't) understand how they got to that level of magnification.
My interest is that my partner has just about recovered from her CAR t-cell treatment for Lymphoma. There are several possible side effects, and unfortunately she ended up in icu as a result of a brain seizure.
Fortunately she came through without damage, and is now about to go to rehab - she has been in a hospital bed for 3 months now.
I will be making a large donation to PeterMac should PTX and another couple of biotechs I hold end up being successful in their trials.