I still see people using COVID risk descriptions that don't consider the kind of space you're sharing. This analogy from May might be useful -- the key thing is HOW MUCH OF THE OTHER PERSON'S BREATH you might be breathing in. Wearing a mask helps, distance helps, outdoors is best
I bring this up after seeing an org that should know better say: "A close contact is defined as someone who has been within 6 feet of an infected person for more than 15 minutes when either person has not been wearing a face covering." I think it's clear that's not sufficient.
Anyway this is useful: english.elpais.com/society/2020-1…

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More from @AstroKatie

12 Dec 20
Vaccines are combat training for your immune system. They show it what to expect from a virus/bacteria so your cells can build a better defense when the actual pathogen arrives.
Usually, a vaccine gives your immune system dead or weakened pathogens so it can mount a specialized defense. Say an invading army is coming and you capture some soldiers and their weapons. You'll be in a much better position to repel the invasion than if caught by surprise!
mRNA vaccines, like Moderna & Pfizer/BioNTech's, work differently. They give your cells the blueprints for a piece of the virus, so your cells can build that piece (which, on its own, can't hurt you), study it, & be ready to attack it & the virus it's attached to when it shows up
Read 5 tweets
9 Dec 20
SpaceX #Starship launch attempt scheduled to start in five minutes or so... #SN8
This is the rescheduled launch attempt after the last-second abort yesterday:
Read 6 tweets
9 Dec 20
If you give my book as a gift you can write on the card "I will love you until the end of the universe"! It's really a very romantic kind of present!!
"Unlike the Higgs vacuum, my love for you will never decay"
"The cosmos may succumb to a Heat Death due to the second law of thermodynamics, but the first law of MY HEART is that I love you"
Read 6 tweets
8 Dec 20
SpaceX is about to do a high-altitude test flight of its Starship prototype, in about two minutes theverge.com/2020/12/8/2216… spacex.com/vehicles/stars…
Or... not. Abort. Alas.
The #Starship prototype did not launch but it ALSO did not explode so I think this is a "successful failure" situation and the data will be helpful to the engineers as they set up for the next try. #SN8
Read 4 tweets
7 Dec 20
I keep thinking about how the public and government response to COVID might be different if (sensible) patient privacy rules and safety concerns didn't prevent TV crews from constantly broadcasting close-up dispatches from inside the ICU front lines.
Comparing US fatalities from COVID-19 with those from wars makes it clear it's not because the pandemic is less deadly that so little is being done on a national level. I think it's partly because we mostly don't actually see it happen.
Note: I'm NOT saying we SHOULD put TV cameras in patient rooms. I don't think that's a good or simple solution. I'm just thinking about the implications of this all being behind closed doors.
Read 4 tweets
26 Nov 20
Hello everyone just letting you know I am going to attempt to bake a pecan pie
This is the pecan pie recipe I’m using: thebigmansworld.com/wprm_print/351… It requires a high-speed blender, which I don’t have!!, so this will be an interesting experiment in adaptation! I’m using a mini food processor instead. It’s, um, trying very hard.
Pie update: Pie crust with brown pecan-pie filling in it. Mostly not tooPie crust with brown pecan pie filling plus pecan halves on
Read 4 tweets

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