300atm compressed H2 has more energy than batteries. 500wh/L electric. 800 wh/L heat. LH2 is equivalent to 1100atm compressed. LH2 is right for aviation because the tanks are light/simple, and they are filled shortly before takeoff. It’s a big weight savings over kerosene.
Article says whole system is 1000wh/kg (including support machinery). There are 5 (including intermediate step) reactions of air and sodium. I’d guess they are using 100% humidity air. H2 is part of the reaction with humidity, and is a much more rapid and “exothermic” reaction than transformation to SaO.
Hydrogen is clean electrolysis too. Would cost less.
1200 Wh / kg of sodium
That is about the H2 energy release from sodium reacting with water (perhaps just humidity in air).
however gasoline is a whole 3800 Wh / kg
H2 has 33000wh/kg, and a fuel cell gets double the energy of a combustion engine/turbine, and so if you were starting with sodium, might as well pour water on it on the ground, and fill the plane up with automatic high pressure H2.
There are no emissions other than water vapour from the sodium process because the reaction leaves solid/liquid byproducts (that are too valuable to discard) other than H2.
It’s a red flag that they don’t compare to H2, which has significant aviation FC prospects/research, and has even higher energy density by weight, and the advantage of exhausting water vapour and so fuel weight goes down during trip.
Sodium is also produced by electrolysis. It can make a lot of H2 and heat by reacting with water. In fact, the reaction of 1 ton makes 1.8mwh of heat, + 1.4mwh of H2 heat value (900kwh electric), where hot H2 might have extra energy potential for electricity or combustion (not sure).
Sodium metal costs $2000/ton. Reaction with water makes 42kg of H2, and so about $46/kg of H2 is too high. The heat would improve the efficiency of SOFCs (described matches article) by getting the heat for free, and maybe 1.2mwh/ton electric. SOFCs have always had the advantage of working with polluted fuel blends.
Perhaps if sodium or H2 production was combined with desalination process, then cost of green sodium or H2 could be lowered.
Are you soft for America??? Be hard and fuck every hole in the ground. Gay pornstar hard!
Yaweh was the “subgod” for Israelites.
Yaweh was one of the sons of El in Caananite religion, which has the same Noah myth, and the religion/people is based on one of his son’s decendants. El was accepted by Greeks as the same god as Zeus. Many other Caananite polytheistic gods had Greek equivalents.
When Moses wrote the tablets, he was basically doing a religious coup to claim the Hebrew/Israelite “subgod” was the primary god. Denouncing Idolatry, and “thou shalt not covet” was also a rebelion against the main/historical Phoenecian/Caananite religion to when Israelites war against Phoenecians “do not covet their idols, destroy them”.
clicked link about a dead pigeon… was expecting/hoping to see some deepfake examples.
Aluminum is a substitute for copper in any straight wiring application. PEX for domestic piping.
Extremely weird story to get pushed out everywhere. Attacks on kyiv were retaliation for Ukrainian attempted drone terrorism on Moscow the day before.
Zelensky should be the one admonished for escalating stupidly, and usa silence encourages zelensky destruction of Ukraine.
Volume matters for automation. Us made market would be only for us. 15 to 20% of cell market. Less by volume.
India afaik only assembles. Its the components that are highly automated.
25% tariffs on all phones in us because all are made outside of us, is just a sales tax on a modern necessity. Will still be hard to invest on us manufacturing or assembly
At Shanghai 2025 car show, there were at least 5 flying car models from major auto players.
Torpedos, ship launched short range, and truck bombs, from border countries made hostile, or at least indifferent to usa destruction, is one counter measure. As article mentions, overloading a target location with decoys and faster missiles is another.
Usa risks collapse simply from trade war disinvestment. A single nuclear strike or even just a hurricane at this point, will pass tipping point.
$175b is optimistically low. Previous quote was $2.5t. just last month. Like all boondoggles, proper marketing is for initial bribes, which are $25b, in this year budget, for under budgeted scam with overages to vendors. $25b is campaign donations and media brines.
shouldn’t be that hard, but I understand that 94% can’t do it.
line up the apples, a line that will cut the first apple into 2/3 vs 1/3 will also cut the next apple in same proportion. 1 person gets the 2 sliced 1/3s
could this boil one molecule of water?
Germany has a very binary view on class supremacism. It’s not supremacism is good vs bad. It’s a pendulum of who is above criticism. Russophobic nazi supremacism still kosher though.
Now store the numbers (array):
0 0 0 1 0 1 1 2
think 8 bytes???
bio fuels are not scalable. Much more solar energy (15x+ factor) is created by PV than by ethanol per area, and more efficiently turned into H2 (or e kerosene, btw) than the bio route. Bio route is airline PR to do something, but would make food scarce at scale.