No, of course we don’t microwave the mug WITH the teabag in it. We microwave the teabag separately.

https://explainxkcd.com/3022/

62 points

:(

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33 points

You disgust me

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52 points

Where’s throwing it into the harbor fall on this chart?

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1 point

A war was started because of that

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16 points

Far left

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4 points

The USA was apparently built on communism.

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28 points

Ok, but, why is microwaved water any different the water warmed in a kettle?

This seems like a pointless thing to get worked up over.

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23 points

Went to see Randall doing his book promo and being interviewed by Matt Parker (in the UK) recently and this was his exact position on it

The audience were not on his side 😆

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3 points
*

In my experience you won’t actually boil water in the microwave because it takes an eternity so you end up with tea in “warm” water instead. Or apparently some people also put the tea bag in the microwave ¯\_(ツ)_/¯

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3 points

Brother it takes 3 minutes to boil water in the microwave. I have done this without fail.

It cools down much faster though. Not sure how that works.

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14 points

It doesn’t cool down faster. That makes no sense.

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3 points

Because only some of the water boils, not all of it.

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1 point

My microwave must be really weak then. The kettle is still faster though

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2 points
*

Water warmed in a kettle has much more even temperature in all points, which affects the brewing process. Generally, the more even the temperature is, the more consistent and rich is your brew.

I would consider microwave boiling as a makeshift method to produce a mediocre result when you need it anyway, not as a daily driver.

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5 points
*

How does a kettle warm the water more evenly but a microwave doesn’t? When a kettle has it’s heating element only at the bottom but a microwave blasts the entire mass of water with energy because it sits on a rotating plate.

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0 points

Exactly because of that.

Hot water moves upwards, and if you heat it from the bottom, you get a more even result than if you blast it from all sides.

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-1 points

Cold water falls to the bottom of a kettle and boils on the bottom. Microwaves can miss the bottom, possibly?

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4 points

I’m asking this from a place of genuine ignorance: how does the evenness of the heat distribution matter when microwaving a pure liquid? I’m familiar with the microwave’s uneven heating qualities. I’m sure we’ve all bit into food that is scalding hot on the surface and still lukewarm at best in its interior. However, I’ve always presumed that is a product of microwaving a heterogenous, predominantly solid substance.

So, sure, the microwave applies heat unevenly to the water. But wouldn’t the tiny little bits of water which get “over” heated simply diffuse their excess thermal energy into the rest of the homogenous volume in very short order? Furthermore,wouldn’t an uneven heat distribution in a mug of water simply lead to convection currents flowing from hot to cold, therefore promoting a relatively even distribution?

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1 point

The overheated particles will rapidly move upwards, which will lead to relatively even distribution in a layer, but uneven between heights.

In fact, in a large microwaved mug the difference between top and bottom can be as much as 6°C/11°F.

Using a kettle mitigates it for the most part, as it is the bottom that gets continuously heated, and the top is then naturally heated by the vertical currents of hot water, leading to a more even distribution.

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-10 points

Could be a problem if you microwave it together with the tea bag.

Also I find microwaves to not heat up the water properly, leaving some cold spots.

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27 points

Hard to believe that cold spots could stay for more than a moment with the Brownian motion.

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13 points

Do you not add gelatin to your water before making tea?

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10 points
*

The microwaves will heat your water more evenly than a kettle.

Liquids have this amazing property, that if you heat them , they auto-stir just by themselves.

(But personally, I’m uneasy about microwaving a tea bag with paper on one end, or worse, a staple. There’s probably no problem at all, but it doesn’t feel that way.)

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9 points

So give it a quick stir? Also if it’s at a boil, the bubbles are going to mix the fluid well.

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27 points

How about someone who leaves the tea bag in the mug, sometimes for multiple days? Sips the tea with multiple bags still in it? It creeps me out and I am not even a big tea drinker.

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21 points

What the fuck

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13 points

Made me think of that eternal stew, but you instead add in more and more tea bags

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9 points
Deleted by creator
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2 points
*

I once had a colleague who would get hysteric when someone would clean the coffee machine. People are weird. Not cleaning tea potts and even mugs is also quite common among elder germans. They argue it tastes better that way. (They drink the tea without sugar or milk, so it probably isn’t thaaat bad.)

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1 point
Deleted by creator
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4 points
*

I’ve done that a few times. Mostly when the previous bag was used the night before, and I was super sleepy in the morning, so didn’t even bother ditching it, saving 1.3 seconds and thinking it would make my new tea stronger.

…yeah, I don’t do that anymore. But this is why I used to.

UPDATE: I just made my tea just the regular way this morning. While stirring, I realised I had left the previous night’s red berry tea bag in it. I didn’t want to waste an otherwise perfectly fine bag of Earl Grey, so I did it again. Not intentionally, though. Also, note to self: red berry Earl Grey is not great.

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1 point

But sugar!!!

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17 points

I’m an American who drinks tea. I’d love to hear from our distant countrymen on how accurate this is.

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26 points

100% spot on. Microwaved tea is comparable I would say to microwaving a steak

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8 points

The state of education is extremely depressing holy shit.

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6 points

It’s foul. Cup of Tannin, more like.

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17 points

… wait, there are some americans who put the tea BAG in the microwave with the water?!?

I’ve MADE tea using a microwave before and it was ALWAYS “heating the water in the microwave, then adding the teabag to the hot water”, it never even crossed my MIND to have the tea bag inside the microwave, and frankly that sounds AWFUL.

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2 points

Aww fuck. Now that you put it that way, I get it.

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16 points

For a start, you don’t make tea in a kettle, you boil the water in that, then either pour into a mug or a teapot

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6 points

I refuse to believe that Randall doesn’t know how tea is actually made, so it has to be a meta-joke / troll.

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5 points

That’s how I do it. Electric kettle. Glass.

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0 points

Jokes on you, my kettle comes with a built in steeper, so I make my tea in the kettle!

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3 points

Not British, but in my experience… accurate.

I mean, I’m also not British and am roughly aligned with this spectrum myself.

Look, if you can tolerate the absolute nonsense you hear from Americans about how to make coffee you can deal with me having a spice rack specifically to make tea.

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3 points

What nonsense do you hear about making coffee?

Everyone has their own way, but there’s no wrong way.

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7 points

I make coffee by drinking hot water, then chewing whole coffee beans and swallowing them. I then wash it down with milk.

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