He took a cup of water and put it in the microwave to heat it up (something that he had done numerous times before). Most containers have tiny scratches in their surfaces, and these scratches contain air. Usually, this will just mean it boils over the top of the cup, in which case you’ll only be burned if you happen to be holding it (such as if you took it out of the microwave and jostled it enough to start it going). Coffee water sometimes "explodes" because the microwave heats it to a temperature that's far hotter than the normal boiling point.
), resulting in harm to the oven and possible injury. I wonder if de-ionized distilled water in a REALLY CLEAN container will superheat even more than normal? What’s the origin of the skull and crossbones pirate flag?
To protect your skin from burns, be … The water boils violently. Without nucleation, the water just gets hotter and eventually becomes superheated; that is, it exceeds the normal boiling point for water without actually boiling. I got this from this site:http://www.eskimo.com/~billb/weird/mi... ______CrackMonkey: Non-sequitur arguments and ad-hominem personal attackshttp://crackmonkey.org/mailman/listin... by Kristin Donnelly | The best way to cook a stress-free dinner is to think ahead, which is why we've created this comprehensive... by Amanda Balagur | Thanksgiving for one (or two) can be just as festive as any big to-do. I hate it when that happens.
When this occurs, any tiny disturbance can trigger some violent boiling. Though boiling water in a microwave is easy and convenient, you should take some precautions. I guess I didn't know this. However, when you are boiling water in a microwave, you are probably using a ceramic mug, which is much smoother and may not have a good starting point for nucleation. There have been reports of people being injured when using a microwave to boil water. Here... Sign up for our newsletter to receive the latest tips, tricks, recipes and more, sent twice a week. They form at a nucleation site.
I heat water in a mug often in the microwave. The key is scaling back but... by Jen Wheeler | There are lots of ways to cook your Thanksgiving turkey: smoke it, fry it, spatchcock it. I never thought of it as being too dangerous. The difference: a stove creates hot spots on the bottom of the pot which are far hotter than 100C, and this continuously triggers a roiling boil which cools the water down to 100C. I wonder if de-ionized distilled water in a REALLY CLEAN container will superheat even more than normal? The spontaneous bubbling that occurs when you add sugar, coffee powder, or a teabag to microwave-heated water is the result of such mild superheating.
The superheated water acts almost like warm carbonated cola: if you strike the container, it will foam up instantly. The FDA has received reports of serious skin burns or scalding injuries around people's hands and faces as a result of hot water erupting out of a … Pecan Pie or Pumpkin Pie: Which One Wins Thanksgiving? Such a flaw or turbulence is common in teapots or saucepans used to boil water on the stove. It has been discussed and debunked in countless newsgroup and message board discussions, web pages, news stories, etc. How to Make Thanksgiving for One (or Two), The Best Turkey to Buy for Thanksgiving and How Much You Need, December 2020 Cookbook of the Month NOMINATIONS, The Best Food & Drink Advent Calendars for 2020, The Best Boozy Advent Calendars to Drink Away 2020, Why You Should Start a Cooking Diary Today & How to Do It. On top of that, a microwave oven heats more or less uniformly, so the amount of convection and turbulence in the water is greatly reduced. Here's a simple, HAZARDOUS experiment to try. You take it out, then you dump in some powdered coffee, tea, sugar, etc... Dooosh! STAFF REPORTS ARE WRITTEN BY THE STRAIGHT DOPE SCIENCE ADVISORY BOARD, CECIL'S ONLINE AUXILIARY. 3) Stir the liquid again at the end. Here I’ll take a look at some of these.
Things are different in a microwave oven. By choosing I Accept, you consent to our use of cookies and other tracking technologies. Foosh! The best of The Straight Dope, delivered to your inbox. What does the Chicago lyric “25 or 6 to 4” mean? How did some crime fiction come to be described as “hard-boiled”? The boiling water will burst into froth. DON'T BURN YOURSELF! When you think of boiling water, you think of bubbles coming to the top. ), then heat it for about three minutes in the microwave oven. Campbell explains that microwaving water can indeed be dangerous under certain circumstances, but not to the extent mentioned in the e-mail legend. To learn more or opt-out, read our Cookie Policy. Now carefully take it out and plunk it firmly onto the tabletop (whack ithard, but not so hard that it breaks.) I am not sure how long he set the timer for but he told me he wanted to bring the water to a boil.
This is when things can get touchy. When you heat water, these tiny air bubbles will provide the"seed bubbles" and normal boiling can occur. The water boils violently. Hmmmm. You may unsubscribe at any time. But there’s no way to know if they got real reports or just multiple copies of this e-mail and got all alarmed like your mom. It can be dangerous to heat pure water in a microwave. To avoid this happening to any liquid, e.g. When this occurs, any tiny disturbance can trigger some violent boiling. It could also splatter a bit, just as a pot of boiling water occasionally throws up some scalding drops. It can "explode" without warning. The liquid may splash out with a loud noise during or after heating or when adding ingredients (instant coffee, etc. The roiling bubbles act to cool the water and keep its temperature at or below 100C/212F degrees. Also, don't heat your water for an extended time in the microwave, or the temperature will climb so high above boiling that any small "trigger" can lead to unexpected violent burst of scalding water. If you turn off the oven and let the water cool, the steam bubbles collapse and vanish. Hmmmm. Superheated water is just waiting for some sort of trigger which will let bubbles form and allow boiling to commence. Spilling boiling water can be dangerous.
Whenever there are bubbles of steam zipping up through the water, this provides some surfaces which allow the water to make more steam andinflate the bubbles, which also colls it down to 100C. And how much turkey do you need per person? I feel that the following is information that anyone who uses a microwave oven to heat water should be made aware of. Here's a simple, HAZARDOUS experiment to try. |, 9 Baking Mistakes That Ruin Your Cakes, Cookies, Brownies & Bread, The Top Trending Fall Foods & Recipes, According to Google, The Best Places to Buy Baking Ingredients Online, Easy Baking Recipes You Can Make with Pantry Staples, The 20 Best ALDI Finds for November Are All About Cookies & Thanksgiving, 8 Easy Ways to Make Boxed Mac & Cheese Taste Like You Made It from Scratch, The Cookbooks We're Most Excited for This Fall, Ready or Not, Pumpkin Spice Products Are Back Again, 7 Helpful Produce Subscriptions You Should Know About, Meal Prep Containers That Will Get You Excited to Make Lunch, How to Store & Defrost Frozen Bananas for Baking, This Cranberry Pumpkin Sourdough Bread Is Peak Fall Baking, This Easy Pumpkin Snacking Cake Recipe Is a Great Alternative to Pie, This One-Bowl Apple Cake Is Everything You Want in a Fall Dessert, Why You Should Spatchcock Your Turkey & How to Do It, The Ultimate Guide to Perfect Mashed Potatoes.
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