Also: solid hydrogen? Nah, it’s more like solid bullshitium…
Apparently the people making videos about this company, and the company itself, forgot to mention that the working temperature of magnesium hydroxide it’s in the range of 400 to 500º C, which kind of makes difficult to use it as a thin film (and of course absorbs a lot of energy to heat up. And then since magnesium atoms are 24x heavier than hydrogen, and they’re mixed in 2:1 ratio, it turns you need 48 grams of magnesium per gram of hydrogen… thus storing 1 kg of hydrogen as magnesium hydroxide will require 48 kg of magnesium. And, 1 kg of hydrogen won’t get you far; in terms of energy it equates oughly 2.5 liters of gasoline so the energy equivalent to a full tank of 50 kg of gasoline would take 20 kg of hydrogen and 960 kg of magnesium… at 500 º C.
It’s time to go to bed, and I’m going early today, i swear. Nighties lovelies!
Also: Rocket Labs gives out more details on their next rocket, the Neutron
Those fairings/doors look like a James Bond film… and will be interesting to know what kind of temperatures they expect on reentry, and how in heavens would a composite matherial withstand such temperatures…
Its all nice and good in presentation, but it would take at least few years untill they have something they can test. Just have to look like the Spacex struggled with landing their own rockets, to get right it takes many prototypes. Nobody does it in first try. The devil is in the small things.
…that structure is such the drama queen, just a little bump and it collapses… at least it didn’t hit the crane.
And, I’m going to bed. Tomorrow we have a holiday in Spain, and wednesday will have another so tuesday and thursday will be like having two mondays in a week… but ti’s two holidays ina week nonetheless. With Christmas being on saturday and St. Stephen’s on Sunday 26th, we’ll be missing to enjoy two holidays (the 26th is a local holiday in Catalonia and some other regions).
Nighties lovelies!
Also: Mars is a jinx planet. On December 2nd 1971 USSR’s lander Mars 3 was the first mission ever to land on Mars in one piece…
…but only after its sister craft Mars 2 crashed, and then Mars 3 started transmiting 90 seconds after landing and failed 20 seconds later for a grand total of 110 seconds of working on Mars’ surface. Was a pity, the explorer rover was cute…
And now i’m off to bed. Today has been boring as hell at work and last night I dreamed about being late to work among the now-becoming-usual stuff on houses and places to live, as if I needed any reminder that being back at my parents’ isn’t exactly thrilling…
I agree with Yiole. Your creations are very decent, Nana. How did you add doors to the buildings? I couldn’t find the option for that…or is it automatically added when built properly?
They are added automatically, there are variations of buildings when you add blocks in different places around it. All it is to it is adding more blocks of different colurs, in different places, and then removing some maybe with the right click.
Time to go to bed… this time with a burden. I’ve found accidentally a flat I could afford to rent, it’s not wonderful but neither seems a nightmare. So maybe I ask for it and maybe they accept to rent it to me and I quit my parent’s flat again… but then, if I go now, that would make tings complicated for my parents as at the moment my father depends a little on me (and is waiting for a hip implant, and then will depend even more on me… or maybe not, I’ve got a job and can’t be with him all day…)
I really need to think about the matter. This strike of luck, means “take it or lose it” or “keep the hope for a better time to quit”? I’ve spent half my life with a fear to become like the traditional “aunt”, the one sibling who never marries, lives with parents, takes care of them till they die and then inherits the family house after battling the siblings who had a life of their own. Now i’m back with mom and dad, time goes by and as I joked when I went to live on my own 6 years ago, “neither me nor my parents are growing any younger”…
Ah, what a depressing post. Nighties lovelies!
Also: two more tourists for the ISS, with a cosmonaut and a Soyuz to ride them up and back…
Yusakawa Maezawa is the millionaire who also plans to fly to the Moon with SpaceX, he’s getting a taste of ingravity beforehand…
