

it’s a mirror to your post which is highly down voted
This Earth, the only true home i ever had and will ever have, is not my world, i’m just a passerby in here … it is yours and it is strange.
it’s a mirror to your post which is highly down voted
Say what you will about dead dictators, at least they’re dog meat.
Maybe i missed your point if you meant that aerosolization will occur readily simply when opening a faucet … ?
Otherwise - - documentation :
https://en.m.wikipedia.org/wiki/Legionella
Temperature affects the survival of Legionella as follows : [3]
- Above 70 °C (158 °F) – Legionella dies almost instantly
- At 60 °C (140 °F) – 90% die in 2 minutes (Decimal reduction time (D) = 2 minutes)
i would not expect much aerosolization if heated slowly … and you did not provide any documentation.
i don’t believe your statement but I would if you gave some references. Can you link some documents that explain why boiling doesn’t kill those bacteria ? … or should not be used to sterilize such water ? …any document about survival or whatever I don’t know.
in the context : this guy wants to go to a date and he needs water now. So, for a few hours the water the in the tank is safe // if this guy has some brain - - and he looks like a very smart guy - - he will know how to handle this water. Otherwise, for stupid people : yes, your advice is good.
For myself, i know how to sterilize water - - i don’t know about you … if you are in an emergency … in an earthquake situation … in a desperate situation … you may choose to do something special in such situations … if you think you have some survival skills.
Just boil the water before using it. Consider it under boiling advisory.
Unfortunately many young also voted for “Tramp” … please don’t try to divide people solely by age.
Just boil the water before using it. Consider it under boiling advisory.
Pitting young against old, black against white, and one religion against another, sowing discord among people… you reap what you sow … yet …
Even though many young are less able than older folks, this trend of electing old senile men should by stopped.
(( Edit :
Boil the water before using it. Consider it under boiling advisory.
… - - see comments below ))
cut the electric breaker to your hot water tank so you don’t burst and an eating heating element if there is lower water level inside the tank.
Now you can use this tank as a water supply. You take water from the bottom tap of the water tank. Let the air come inside the tank by opening another top level hot water faucet anywhere inside the home. Be careful to (carefully) refill the water tank once municipal supply goes back on.
🐔 taco !
… Recently we found evidence that spacetime curvature alone without the need for an event horizon leads to black hole evaporation (… this is pair generation !). …
Great ! Now tell me : what’s the implications of this on cosmological spacetime curvature ?
original article:
https://arxiv.org/abs/2410.14734
An upper limit to the lifetime of stellar remnants from gravitational pair production
Original free access article :
https://iopscience.iop.org/article/10.1088/1361-6633/adc82e
Gravity generated by four one-dimensional unitary gauge symmetries and the Standard Model
if i get even 0.01% of what this is, then, they really reached a “Theory of Everything” but it can’t be experimentally tested until quantum gravity things are detected.
i agree with all of this except, you know, when they will have to do maintenance … i guess they will be (they would be) more simply hauling the whole thing out to work at the surface of the sea … in this scenario the mechanical components would be at the top of the sphere and out of the water.
Perfect guess ! (afaik)
ρ(concrete) ≈ 2.5 tons/m³
so full sphere ≈ (2.5 x 382) tons = 955 tons
they have 400 t so the cavity removes :
955 - 400 = 555 t … so 7.51m diam. cavity
… so, yes 3/4m thick wall 😌👍 !
indeed i made a very simplified calculation not taking into account increase density of salted water nor increased density because of compressibility of water at 500 m deep. Basically i took 1m³(water) is 1 (metric) ton.
… a sphere nine metres in diameter and weighing 400 tonnes will be submerged off the coast of California at a depth of 500 to 600 metres. It will have a storage capacity of 0.4 megawatt hours (400 kWh) …
i will try a rough calculations : suppose we can have concrete at $100 per ton, then it’s a minimum investment of $40,000. Also suppose electricity is stored with a large added value of 10 cents per kilowatt hour, so, for every cycle a rough gain of $40. By these numbers, 1,000 cycles would pay for the concrete … so, it may look good considering they plan a life of about 50 years for such devices.
On the other hand if competitive battery storage cost only one cents per kilowatt hour (temporary in and out storage) and if concrete and fabrication goes up 10 times to $1,000 per ton then it is not economically viable anymore.
A good calculation of profitability would need to take into account the less than 100% energy efficiency of batteries cycling and of hydraulic energy cycling, … and so many more parameters which have to be studied.
… you’d need some massive …
from the srticle :
… a sphere nine metres in diameter and weighing 400 tonnes will be submerged …
Can you calculate the weight of a sphere of 9 m of displaced water ?
No ? Well, it is 382 tons.
So, the concrete sphere is already massive by itself. “You” don’t need any complicated anchoring.
Same goes with the rest of your mechanical engineering intuitions : you did not work in this domain or study it, did you 😆 ?
Also, stress cycling is bad on most material, yes. But here it is compressive stress and the geometry is symmetric. Without further study, i want to believe this thing has good potential and my intuitions tells me it looks nice. Time will tell 😁 !
Why would the robots doing all the other jobs listen to this delusional human ?
There is no good in today’s dictators while some systems of law have the merit of preventing the rise of some dictators.