@assemblingaknob [b]Continue to use your microwave oven.[/b]
That above is someone repeating his Grandma's ignorance and someone else quoting equally nonsensical rubbish based on a cheapskate TV cartoon series. Were they taught no science at school?
A microwave oven's radiation is UHF radio (similar to radar), [i]not [/i]radioactive (ionising) radiation.
Its steel enclosure with a metal screen on the window is electrically earthed, and the door is interlocked to prevent use open; so unless damaged, none of the radiation can leak out and try to cook you as well.
Regulations vary by country but in some, microwave ovens used by way of trade have to have periodic tests to ensure they still meet both radiative and simple electrical safety.
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Cooked food does[i] not [/i]become ionised and the [i]only [/i]electro-magnetic radiation it emits is infra-red (i.e. heat), as it cools.
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You can [i]not[/i] "superboil" water. There is no such thing.
Pure water boils at a temperature affected [i]only[/i] by the containing pressure, which in a microwave oven, saucepan or kettle is that of the atmosphere in your home, so 100潞C at sea-level. Water in Denver at >2000m altitude, will boil at a slightly lower temperature than in San Francisco, down on the coast.
Though the boiling-point is increased by any solutes in it, such as sugar and salt in foods.
It [i]does not matter how you heat i[/i]t, However much extra energy you put into it, boiling water will not become any hotter: once it is boiling the additional heat simply keeps it evaporating at the [i]same[/i] temperature. It will just evaporate more rapidly.
That [i]superboil[/i] word might come from someone reading about [i]superheated steam [/i]and misunderstanding it. (That is [i]steam[/i] raised to a higher temperature than at which its [i]water [/i]was evaporated; used in, for example, power-stations; to increase the plant's overall energy efficiency.) In cooking terms, 'superheated' is meaningless, and the word 'superboil' is just nonsense anyway.
@assemblingaknob superheating is the term I came across after reading @ArishMell鈥檚 comment. Apparently, it鈥檚 much less common than the internet claims, but it is possible under the right conditions and you don鈥檛 want to stand directly over the cup/mug when interrupting the surface of the water if it鈥檚 been heated in the microwave for an [i]excessive[i] time. [quote] https://www.snopes.com/fact-check/boil-on-troubled-waters/[/quote]
@chocolateNcheese I had a friend who made his instant coffee with cold water and then heated it in the microwave. The problem with that is you are also heating the mug to be to hot to drink from.
@HumanEarth Haven't ever seen one of those, but I did once make solar tea...馃ぃ馃ぃ馃ぃ...and I steamed a whole dinner in aluminum foil using just my dishwasher...馃槈
Kraft makes those Easy Mac bowls. You just add water to the fill line and microwave it. The thing I learned is, if you watch the micro, when the water starts to rise inside the bowl, it's going to boil over, so hit stop and the water goes back down. Simple.
I will however boil water in a kettle for ramen. I also eat the instant noodle cups that you add water too, so what I'll do there is, fill a mug up with hot water from the Keurig, then I'll boil that mug in the micro, then over the sink will pour the boiling water into the instant noodle styrofoam cup.
For a single mug of tea or coffee, usually the electric kettle.
For larger amount of water (washing-up plus the tea), ordinary kettle on the gas-stove. It's more economical than using hot water from the instant-heat gas-boiler.
Camping or sometimes on long car journeys: small kettle on a 'Trangia' stove with a gas cartridge.
I don't drink instant coffee, I have a automatic drip machine- but I use it to make hot water for ramen, you don't need it to come to a full boil. I use the coffee pot to make hot water for tea too.
I used to have a lovely whistling kettle on the gas stovetop, but the electric kettle is about twice as fast. As a bonus, it has glass sides so it's easier to only add the necessary amount of water and thus get to a full boil even quicker.
I donated my Cuisinart kettle a long time ago. I don't have room for extra things in my kitchen. Now, if I want to heat a mug of water for herbal tea, or for a cup of bouillon, I use the microwave. For ramen noodles or anything similar, I heat the water in a one quart pot on top of the stove.
Depends on what I'm doing with the water; -tea, instant coffee, hot cocoa, hot honey and lemon: microwave -for cooking (think pasta): in a saucepan usually on a stove burner; unless I'm using the wood stove, in which case on top of the wood stove