Some (ofter traditional) experts maintain transmission is through larger droplets (propelled while sneezing etc.) and contaminated surfaces.
I think a 2nd and growing group of experts has the evidence to prove it's also (and probably largely) aerosols. technologyreview.com/2020/10/02/100…
What does this mean?
It means you get it from inhaling the air that's exhaled by infected ppl.
When are you at risk?
Imagine persons around you are smoking. Would you breathe in lots of their exhaled smoke? Not safe. Go outside.
Talking/shouting/singing makes it much worse.
By the way: that aerosols play a role and thus that ventilation and masks are important (even when keeping distance) is hotly debated. This study even goes into how this 'disinformation that masks help' spreads like a virus. researchopenworld.com/how-misinforma…
But I think the previous publication is flawed and looking only to disqualify the 'heretics' arguing that aerosols play an important role too.
If only out of an abundance of caution I think we should take both groups of experts seriously.
Btw: face masks are mandatory in France and Spain. So I should probably have used more words in my first tweet.
The point I want to make is that we should take the second group of experts (pointing to aerosols) serious. This also means wearing masks. And yes I hate them too.
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Renewables also had a role: "tension was very high and sustained, causing the disconnection of generators".
An inside source tells me the voltage went above 110% in many places and solar was required to switch off, which meant 8GW was lost all at once.elpais.com/economia/2025-…
Let's start with some quantifiable facts. (Things this conservative armchair energy philosopher is allergic to.)
First thing we notice is that solar and wind are clearly surpassing nuclear (though the new leadership of the department of energy denies it).
Many people think solar and wind won't be able to keep the grid stable because they lack "inertia".
I think solar, wind and batteries will do a BETTER job and I think you can explain it thus:
- the old grid is a record player
- the new grid a digital player
🧵
If you play vinyl records, the rotating mass of the turntable is used to keep the speed steady. This leads some vinyl enthusiasts to seek more mass because that will keep things more steady.
This turntable by Excel audio attaches a separate mass. (Overkill but makes my point.)
In the same way the inertia in the rotors of current power plants helps the grid to keep a steady 50 Hz (in e.g. Europe) or 60 Hz (in e.g. the US) frequency.
These machines turn a heavy copper coil wound around a heavy iron core and this helps keep the grid frequency steady.
The heathen Gods have gathered on mount Olympus for a feast. Sun god Apollo is recognizable by his halo, Bacchus (Dionysus) by the grapes, Neptune (Poseidon) by his trident, Diana (Artemis) by the moon, Venus (Aphrodite) by Cupid.