Recent comments in /f/explainlikeimfive

TheOnlyInellectual t1_iuhhwcf wrote

TLDR: Ten wild monkeys alone in a room with a big pile of Legos on a pillar will make a mess a lot faster than if the pile of Legos laid in a pit.

Evaporation: The molecules that the water is made of constantly bump into each other, sometimes these molecules get unlucky and get punched so hard, that they are thrown out into the air. Most don't get very far, however, since they run into the air molecules, which kindly kick them back into the water. Still, if the molecules get far enough away, the can catch a breeze and escape.

Boiling: The molecules in the water are much more violent at high temperatures. At some point, a hole with no molecules will form in the water. Since the molecules mosh so violently into this pit, they end up slamming into the sides of the pit violently enough, that it expands despite of the rest of the water pushing back. That is how bubbles form. The bubbles then rise to the surface, and push the air away with their energy and numbers.

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magdra t1_iuhhsf2 wrote

Same. This is a game that'd benefit from a pirated copy going around for free. If I got to try it, and knew I really liked it like I think I would, I'd probably buy it...but for now, I have other games I've bought and haven't really played so I'm going to stick to those

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Flair_Helper t1_iuhh91n wrote

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itshowyousaidit t1_iuhgxbc wrote

Water is just a bunch of molecules.

Imagine you have two friends who are identical twins (hydrogen atoms). You (an oxygen atom) stand between them and hold one of each of their hands (you are now a water molecule). You guys do everything together, and sometimes you’re tired and fall asleep, and sometimes you’re really active and running around like crazy, but you’re always holding hands. Now imagine there were millions , and millions of people exactly like you, all holding hands with identical twins - you’re all going about your lives, sometimes moving fast, sometimes moving slow. When it’s cold, like in winter – you’re more likely to stay at home, hang out with your friends inside, and not really do much. In the summer when it’s really warm outside, you guys are more energetic, and it’s way more likely that you go too far and too fast and lose track of the pack.

Imagine that you three, and a whole bunch of people exactly like you (other water molecules) were hanging out in a really big group, sometimes the threesomes that are moving really, really fast, and are on the edges of the group - lose track of everybody else, and end up separated. They just go off and do their own thing while the group continues on hanging out together.

That is exactly what happens with water. When water gets warmer, more “threesomes” are out running around and moving faster, therefore more of those “threesomes”, a.k.a. molecules get separated from the group, i.e. evaporate.

Now, when water gets to 100°C, it’s like every threesome in the group started moving that fast, and that energetically, that they are all equally likely to get separated and get lost - no Matter where in the group they are located – the group gets spread out further and further apart because everybody is running around so fast.

Basically, when a molecule leaves the pack – it evaporates. When every molecule in the pack is moving so fast that they are all equally likely to get separated, that is “boiling”. For water, that happens at 100°C.

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Carthax12 t1_iuhfof7 wrote

Evaporation, in ELI5 terms, is simply a molecule of water getting so excited that it literally jumps out of the container in which it is stored.

A puddle of water contains a bunch of water molecules which are all bouncing against each other and their container, but they don't have the energy needed to actually bounce out of the container. Then a (relatively) warm room or a little bit of sunlight provides some extra energy, and a molecule gains the extra energy needed to leap out of the puddle and into the air.

This can happen at any temperature above O C.

At temperatures below 0 C, as described in other posts, water molecules can skip the liquid phase and go straight from ice to vapor in a process called sublimation.

It all boils down (pun absolutely intended) to energy input.

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Flair_Helper t1_iuhf238 wrote

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Confident_Resolution t1_iuheoxe wrote

Battle lances had a spear end, but tournament lances were very blunt and relatively large (the aim being to unseat your opponent from his horse, not kill him).

once one of the pair was inseated, usually the 'battle' would continue on foot, with blunted swords.

The aim was to get your opponent to submit, either by disarming him or just plain tiring him out. It didnt usually end in a simulated kill, like the movies show.

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