Recent comments in /f/explainlikeimfive

KamikazeArchon t1_j6kkz1q wrote

>Weight loss happens when you burn more calories than you consume. It's not any more complicated than that.

Well, it is somewhat more complicated than that; the devil is in the details of "burn" and "consume" (and, to a small extent, "weight").

What you've said is certainly true as a broad and general statement; this isn't a disagreement, but a point of additional detail. That extra detail is to be careful about numbers "burned" or "consumed" in practice. Because, for example, a treadmill's "calories" readout is just an estimate. A packaged food item's "calories" count is an estimate. You may actually be burning more or less than the machine says when you work out, depending on your body (muscles, heart, etc). You may actually be gaining more or less when you eat the food, depending on your body (digestion efficiency, etc).

And there's also some amount of weight fluctuation for non-calorie reasons - mostly water weight going up and down. This last part is one of the big traps for people just starting a nutrition and/or exercise path, as those fluctuations will initially be bigger than the long-term trend caused by calories.

1

bobjoylove t1_j6kkkal wrote

It means the company has so much cash that it doesn’t even know what to do with it. So they buy back stock.

The stockholders like it because it reduces supply of shares, underpinning the prices.

The staff kinda like it as it means it may form part of a compensation package later on.

The general public doesn’t like it because it means the company is making too much profit.

The strategists are wary of it because it means the board doesn’t have any significant ideas about how to expand the business when it has a glut of cash.

−1

ThenaCykez t1_j6kkfon wrote

If a company's main owners think it is going to do really well in the future, they'll buy back stock from smaller investors. This allows them to keep more of their profits, instead of having to pay it out in dividends.

Normally, there's nothing wrong with doing that. But often companies today are whining with statements like "It's too hard in this business climate! We need stimulus money! We need tax breaks! We can't afford to raise employee wages! We can't hire full time or provide benefits!"

If they are whining that they need cash / can't provide cash to their workers, and at the same time are reinvesting to maximize their own profits with the money they could have used on their workers, it sounds like blatant hypocrisy.

71

Any-Growth8158 t1_j6kk6tz wrote

It's all our best guess; however our best guesses matches up very well with most of our predictions. This implies that our guess was pretty good.

For example, we predict that the sun and pretty much all others main sequence stars have an abundance of hydrogen fusing into helium. We've never grabbed a bit of the Sun to analyze directly (let alone any other star), but we still believe them to be made primarily of hydrogen. Our physics and cosmological theories make predictions like the spectral nulls, orbital rotations, etc.

That said their are several discrepancies, like differences in the calculated value of Hubble's constant depending on how it is generated. These failures of our predictions are actually some of the most exciting results for scientists since it indicates that there is likely some new physics there that we don't fully understand.

−2

KermitingMurder t1_j6kjcfv wrote

3-4 yew berries (which are similar looking to cherries and also have a stone in the centre) is enough to kill you if you eat the stone in the centre. They taste great but if you swallow even one of those stones you should take a trip to the hospital and I wouldn't eat too many just in case, even if you are careful about the stones the rest of the tree is also toxic so probably best not to eat too many.

14

mafiaknight t1_j6kjadg wrote

That’s only half right. All muscles ARE controlled via electric impulse from the brain/nervous system, but it isn’t the “squeeze” command being given. ALL affected muscles are told to contract. Your hand has much stronger muscles for closing/gripping than for opening. (It has to overcome much greater force to hold things than to release them, so this makes perfect sense.)

8

BurnOutBrighter6 t1_j6kimza wrote

It's not a guess, we can see it! For example, here's an image from the Hubble telescope of one galaxy pulling material from a smaller nearby galaxy. So now we know that's a thing that happens - and we're not just guessing, it's something we're actually observing happening.

BTW those two galaxies are 200 million light-years away. For reference, our own galaxy is about 100K light years across. So that's an event we're directly seeing that's about 2000 galaxy-widths away from our own galaxy.

2

stars_mcdazzler t1_j6khq1x wrote

People don't realize just how old these airline jets actually are. I'm sure 2-pin audio jacks was cutting edge technology when they were first put in. I had it explained to me once that the interior of the starship USS Enterprise from Star Trek: The Next Generateion was heavily inspired by the Boeing 747 (which had a lifespan between 1968 and 2022). That's saying alot considering that Next Generation came out in 1987.

0