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I meant to show the output of my code, but Pasteboard was down at the time: https://gcdnb.pbrd.co/images/f8bgGZMW3deq.png?o=1

It appears to be uniform. I tested empirically in Python: https://pastebin.com/raw/ca03uywJ

And there's this odd thing there (turn on satellite view): https://www.google.com/maps/place/Wyoming/@42.6903821,-107.5...

It looks like that yellow (3-day) spot is a bit of land with no assigned zipcode, per this site: https://zipmap.net/Wyoming.htm

It looks to me like "First Class Parcels" includes Priority Mail, since there's no other category that could reasonably cover Priority Mail ("Package Services" can't since it shows much slower delivery from one side of the contiguous US to the other than is advertised).

I used to ship a ton of First-Class parcels and Priority parcels about 10 years ago, and learned that they had roughly the same delivery speed (2-3 days anywhere in the contiguous US) with First-Class just having a higher chance of delay.

As I never paid attention to letter delivery speed back then, I didn't realize that letters are much slower (except local). So seeing these maps today is informative.

Unfortunately some people may have gotten into the habit of hovering their foot over the accelerator to be ready to override phantom braking, so maybe some even rest their foot on the pedal without realizing.

Fortunately, removal of radar will reduce the frequency of phantom braking, so hopefully this habit will fade.

I think some teslas now even show a message warning that cruise control will not brake in some cases?

In my experience, that warning about not braking occurs when you are in TACC mode but are pressing on the accelerator to go temporarily faster than the set speed.

Wasn't today (Oct 19) the first day of open trading?

The full story is an entertaining read: https://www.reddit.com/r/ActLikeYouBelong/comments/6zd39b/we...

The resistance of a 400 volt, 250 Ah NiMH battery is around 180 milliohms. The same battery built with venerable NCR18650Bs (original model S) is 68 milliohms. That's a full 7x improvement

Power dissipated by resistance is only linearly (not quadratically) related to resistance when current is relatively fixed: P=(I^2)R. So reducing the parasitic resistance from 180mΩ to 68mΩ is only a 2.6x improvement, albeit still quite significant.