I assume that the submarine producer gives stats like empty weight from which the current weight can be calculated.

However, weight isn’t the important thing in a sub. It’s the weight to volume ratio, or buoyancy.

A sub sinks when buoyancy is negative and rises if the buoyancy is positive.

There are three common ways to achieve the changing buoyancy: the most simple one is a vessel with positive buoyancy adding droppable weights until the buoyancy is negative.

Other ways are a neutral buoyancy vessel that uses it’s engine power to push itself up or down. Or a vessel that can change it’s buoyancy by filling up tanks with water (to reduce buoyancy below neutral) and blow them out with air or other gases lighter than water (to raise buoyancy above neutral). A combination of several methods is also possible.

Hey, welcome, fellow noob!

I hopped on the Linux train maybe 20 years ago and haven’t had any non unix system in maybe 15 years.

Also, I don’t know anything much. I can do basic tasks with a Terminal, but I don’t think for example I could install Arch from scratch. Or if I’d accidentally opened VIM, I’d have to kill power to get out again. But I like to tinker. If you like to tinker it’s a big plus, otherwise things, that don’t work instantly, might get frustrating.

As others said, use a pre built distro + DE environment, especially if you don’t really know what you do. Another thing that I’d recommend: a distro that be backed up easily. So you can tinker and start over, if necessary.

If I don’t know, how to fix a thing, I usually look up my question online. The problem with that is: I’ll find solutions containing commands that I don’t know, what they do. I have “fixed” my OS to death before, so it’s always nice to have a recent backup.

Ubuntu is the biggest, although it’s not old-school like win98 and comes with idealistic problems for many people. If you didn’t really enjoy it, I wouldn’t go back, just because it has the biggest community. Community isn’t only about size.

Mint is rock solid, I’ve run that a long time with different DEs.

Another distro, I can’t really recommend (as I haven’t used it further than live USB yet), but might be very interesting for you, is MX Linux. It comes with simple DEs and more importantly: a ton of GUI tools (including a back up tool where you can back up the entire OS including apps and settings as a flash USB).

I don’t know, if I was able to help anything. I just wanted to reassure, that there are (maybe even many) Linux users that don’t really know what they do.

As with many skills in life, I believe, the best way to learn is by just doing it. There will be failures. And each failure is a big opportunity to learn something.

As always I will keep reading about every year’s COP. However, by now my expectation is, that there won’t be much, if anything at all, that I need to know about the COP.

Uh, damn! I had the impression that a lot of governments around the world rely on the theory that talk is enough!

That makes sense, I guess. Like to choose a skillset for the next epoch, if you’re right. That sounds kinda cool. Almost like a skill tree for your civ, only that it comes with a civ name change.

The second big change is that when you transition from one age to the next—there are three ages, Antiquity, Exploration, and Modern—you’ll pick a new civilization to lead, one that was at the height of its power during the age in question. So you might go from controlling Rome in Antiquity to Mongolia during the Exploration age.

Well, I still play civ4 bts, never went beyond civ5 and unless I update my hardware probably won’t try civ6 and civ7 anytime soon.

But what you mean, you’ll change civilization midgame? I can’t wrap my head around this concept. Or does your civilization simply change it’s name?

Oh, sorry I misread your first comment.

First: acriculture is a major greenhouse gas contributor, globally.

The amount of greenhouse gas emissions from agriculture is significant: The agriculture, forestry and land use sectors contribute between 13% and 21% of global greenhouse gas emissions. Source: Wikipedia

I’m not sure how they affected by climate action. I can only assume it’s a sector, where it’s very difficult to remove emissions, unlike other sectors without impacting the crop amount? Like reducing farm animals or fertilizers and machinery?

Here is a short breakdown of emissions in agriculture from “ourworldindata.org”.

Unfortunately my hardware is too old to play games that are like that.

But I’ve noticed the same with mobile games. My policy is: if that single player game doesn’t start without internet access it gets deleted.

I would go even further and say that the perception of the voters outweighs reality.

Thank you for the detailed explanation!

I see. Yes I watched the debate and he really didn’t do well, like he was on some medicine and partly asleep. My favorite part was when they discussed who is better at golf. Was a very important thing to get clear for people like me, that are worried of climate collapse.

But this isn’t new to Biden, is it? Confusing names and numbers has always been a Biden thing, I think, it’s not necessarily a health decline. Like my favorite American president quote is “America is a nation that can be defined in a single word: ashofootnae ehfoot, excuse me, at the foothills in the Himalaya…”

That’s why I thought the democrats had a meeting after the debate and saw that Biden’s campaign is not going well and the public thinks (doesn’t matter if rightfully or not) Biden is too old and mentally declining. Maybe, in order to save the sinking ship, it’s best to play a rather risky move of changing the nomine just a few months before election. Or maybe he was also peer pressured.

Anyway, if it was Biden’s initiative he does deserve a lot of respect for it!

I’m not from the US. Is it really his choice? I thought it would be more democratic and the party members would vote for who they run, how they run, etc?

It propably grabbed the info off some random number-confusing dude like me, who recently posted the Earth’s diameter would be about 6 km instead of 6000.

Edit: oops, did it again. Meant radius, not diameter…

Land use (and with that agriculture) has a lot to do with emissions. Imagine a forest cleared to farm palm oil. All that stored carbon is now in the atmosphere. Think about the staple crop rice emitting methane, due to the nature of water submerged fields.

If not emissions, water usage is also a big concern. Like farming water intensive crops in areas where water is sparse, just because the crop is very profitable, but maybe not very nutritious.

I always considered dying sleeping one of the better ways to go. But since I woke up some years back, I don’t want to fall asleep again. Despite being so tired of all of this!

Such a interesting time frame to be alive! Humanity is in a race against itself. Losing could not only mean the end of humanity, but of vast forms of life on Earth. And it’s an uphill race of common democratic people racing against the rich, who own the means we need to win.

Almost like a movie, however, I feel in a movie there wouldn’t be as many people shrugging shoulders and looking away.

Love the “gas” label in your second picture. There was no need at all to tilt letters, but I guess it would not keep the theme of “thrown together” if it was straight text.

Also what is with all that background white in between the graphs? Is it electricity demand that didn’t get meet by any means? Asking jokingly.

Those sea level rise projections are global. There will be local differences. I don’t know what that means for Florida though.

Similar to how on land we’ll probably see higher temps than the global average, just because the sea is able to absorb so much more energy.

Also recent studies may indicate that melt rates in the Antarctic are higher than previously thought.

Probably you are right with the latter. A cement brick house easily has 100 tons CO². And in war, whole cities get destroyed. Plus destruction of enemy energy infrastructure, like oil fields, if existant.

Kind of sad now, when I think about it. Looks like we rather destroy the enemy with us, than having somebody we don’t like rise above us.

That got me interested on fuel economy. According to this webpage, a M1A2 has a gas tank size of 1907 l (505 gal) and a cruising range of 426 km (265 miles).

That would make 448 l/100km (0.52 MPG). Wow.

The site also says

A tank will need approximately 300 gallons every eight hours; this will vary depending on mission, terrain, and weather. (1364 l)

0.6 miles per gallon.

60 gallons per hour when traveling cross-country (263 l)

30+ gallons per hour while operating at a tactical ideal (136+ l)

10 gallons basic idle (45 l)

A mine plow will increase the fuel consummation rate of a tank by 25 percent

Nice idea, but in my area for example this wouldn’t be a good solution. I live in a flood prone area.

Luckily there are many different solutions. What I find quite interesting are simple techs that also don’t require electricity, like a heat chimney, or a air supply from underground, air-flow designs in general.

Also, with already built houses there are even simple possibilities. What I’ve done successfully is letting a tree grow on the south west side, now in the evenings my walls and with that the inside area is much cooler.