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2. Find Out If Your Eggs Are Fresh Using the Handy Dandy Egg ...

   www.aol.com/eggs-fresh-using-handy-dandy...

   It's pretty simple: Place an egg in a bowl of water. If the egg sinks, it's good; if it floats, it's gone bad. Here's why: Eggshells are very porous, so as time goes by, the egg loses moisture ...

3. How to Tell If Eggs Are Still Good - AOL

   www.aol.com/lifestyle/tell-eggs-still-good...

   But if you gently place the egg in a glass or bowl of water, you can see how fresh the egg is. ... should be the sniff test. If an egg passes all of the other tests but smells like sulfur, you ...

4. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes

5. How to make ‘perfect’ hard-boiled eggs: Scientists say they ...

   www.aol.com/perfect-hard-boiled-eggs-scientists...

   To test periodic cooking, the team filled a kitchen pot with tap water and heated it to the desired temperature on the stovetop. The researchers placed a food thermometer in both the hot and ...

6. Haugh unit - Wikipedia

   en.wikipedia.org/wiki/Haugh_unit

   The test was introduced by Raymond Haugh in 1937 [1] and is an important industry measure of egg quality next to other measures such as shell thickness and strength. [ citation needed ] An egg is weighed , then broken onto a flat surface ( breakout method ), and a micrometer used to determine the height of the thick albumen (egg white) that ...

7. Slingshot (water vapor distillation system) - Wikipedia

   en.wikipedia.org/wiki/Slingshot_(water_vapor...

   Slingshot is a water purification device created by inventor Dean Kamen. [1] Powered by a Stirling engine running on a combustible fuel source, it claims to be able to produce drinking water from almost any source [2] by means of vapor compression distillation, [3] requires no filters, and can operate using cow dung as fuel.