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Have you ever spent much time to swap batteries in and out to figure out which one of them have still power in it? Next time, just try a simple trick by dropping them on a hard surface to see if they stand pretty still or they bounce a bit. The one who stands still is the battery which is charged. Check out this amazingly simple trick! If you have a bunch of batteries you want to test and you don’t have a voltmeter anywhere near, try this easy experiment to find out which battery is good and which is bad. Drop each <a href="https://rumble.com/v31t0v-student-accidently-creates-battery-that-can-potentially-last-400-years.html" target="_blank">battery</a> vertically, with the negative end down, from a short distance onto a hard surface. The battery which is charged will make a solid bang and often will remain standing, while a wasted battery will make a muffled sound and bounce over. An American electrical engineer has also tested this way of checking out which battery has power in it. He explained that in a good battery there is a gel-like substance in it, while in the bad battery this substance is solid. So that’s the reason why charged batteries stand still, and wasted batteries bounce. Many people have already tried this <a href="https://rumble.com/v3a467-man-conducts-explosive-stress-test-on-samsung-galaxy-note-7-battery.html" target="_blank">test</a> and they have confirmed to be 100% correct. Unfortunately, it only works for alkaline batteries, don’t try it for lithium ion batteries. Skip the battery tester and use this quick and easy way to test if your batteries are dead. It's almost too easy and it will help you to save the good ones and throw the bad batteries away!

Commercial dusting sprays are typically expensive, smelly, and have chemicals you may or may not want to use. This DIY dusting spray may be just the replacement you're looking for!

Headaches are a very common problem that people of all ages get from time to time. They can cause unbearable pain along with nausea and, at times, vomiting. Thankfully you can get rid of a headache fast with this useful tip.

Anyone who has ever peeled a kiwi, either for slicing or just plain eating, knows that it can be a sticky, prickly, headache. This demonstrates how simple it can be to peel one quickly and easily using only a spoon!

Trying to get at the last few chips at the bottom of a Pringles tube can be a real hassle, but with this easy trick you don't have to worry about that problem anymore!

Many recipes specifically call for egg whites or yolks, and many people make egg-white-only dishes to reduce cholesterol. This simple trick shows the best way to separate an egg white from the yolk!

After you learn this trick, you'll never get your hands messy peeling oranges again. Learn how it's properly done with this awesome food hack!

Sometimes peeling a hard-boiled egg can be a bit annoying. The shell gets stuck and breaks up into little pieces that have to be picked off separately. Luckily, this video shows a trick that will have your hard-boiled egg peeled in less than 5 seconds!

Recipes often call for softened butter, which mixes well with the other ingredients. Butter at this stage is also ideal for spreading on bread or stirring in seasonings to make flavored butter. Here's how to soften butter.

This is definitely the most effective way to ripen an avocado, and it only takes 10 minutes!

Learn this incredible life hack that allows you to quickly close your bracelet without any trouble. Very useful indeed!

Cut up an apple and then bind it back together with a rubber band, just like it had never been cut! Then the apple stays sealed and fresh, with no exposed cut edges to get brown.