Cleaning Solutions Search Results

How To: Most File Cleaners Are Trash — Here's Which Ones You Can Trust

Since the release of the T-Mobile G1, the Play Store has been flooded with apps that claim to improve performance by clearing cache and storage. These apps are typically useless, rarely providing more than a temporary fix which Android undoes immediately. As Android has continued to improve cache and storage management, such apps have become more trivial. However, there are few decent ones out there.

How To: Solve a system of linear equations by substitution

System of equations is nothing but a system which contains more than one linear equations. This system of equations can be solved to arrive at the solution of the system. A simple system of the linear equations can be a pair of equations. To solve this kind of system you can employ the substitution method. So take the two equation of the system. Solve for the value of y in the first equation in terms of x. Now take this value of y and substitute in the second equation y value. Now the second ...

How To: Make potassium trichromate

In this how-to video, you will learn how to make potassium trichromate. You will need potassium chromate and dichromate. It is easy to go between the two. You can add a base to the dichromate to make the chromate. It will go from orange to yellow. The trichromate can be produced. You will need nitric acid, potassium dichromate, and sodium disulphate. First, make a solution of sodium sulphate. Take a long test tube and the potassium dichromate to it. Add double the volume of concentrated nitri...

How To: Milk a cow

Modern milking parlors use machines, but milking a cow by hand is an ancient art. Here’s the "udderly" perfect way to do it.

How To: Solve the Rubik's Cube faster with shortcuts

As the best-selling toy of all time, the odds of you once playing with a Rubik's Cube are pretty high. And if you're like me, or even the cube's inventor Erno Rubik, your first attempts likely ended in futility. Every twist, every turn, the cube just gets more and more mixed up. Is there really a solution?

Spice Rack Explosives: How to Make Gunpowder with Salt & Sugar

The best chemistry experiments are those you can perform with items already laying around your house. With only some sugar, salt substitute and an instant cold pack, you can make your very own gunpowder! Being able to make homemade gunpowder without a trip to the store can be a lifesaver, no matter if it's just for testing out a Civil War-era musket, blowing up stubborn tree stumps, or preparing for battle when imperialists overrun your country.

How To: Remove fake nails with acetone

Joyce teaches viewers how to remove fake nails by using acetone. First, you should get acetone solution and submerge your nails into the solution for a few minutes and the nails will come off by themselves. For fake nails, you can apply nail polish remover and the nails will easy pull off. You can also just wait for your nails to grow and the fake nails will naturally fall and you can just easily pull them off. You can also get a cutter and slip this in between your fake nail and real nail an...

How To: Remove ugly salt stains from your shoes

If you've been out in the wintertime you've probably noticed a bunch of white marks on your shoes. These are called salt stains and are caused by the chemicals used to melt the snow. Luckily, this video will show you how to remove these unsightly white marks quickly and easily.

How To: Maintain and inspect your RV roof

Check out this instructional RV video that illustrates how to maintain and inspect your RV or motorhome roof. What you want to look for is that all plastic components are not dry, rotted, and are in place. What happens if something on the roof is missing, like a lid to the sewer valve, is debris will go down in there and possibly clog up your tanks. So you want to make sure all caps are replaced. The next thing to look for is cracks in your ceiling; this can cause a potential leak area. So wh...

How To: Perform the Barus effect

Watch this instructional science video to observe the Barus effect in action. A dyed solution of POLYOX (polyethylene oxide - it is the stuff used as the lubricant on the strip found in all modern razors) is extruded from a 50 mL syringe. On exit, a marked swelling in the liquid stream several times the diameter of the orifice is observed. The effect is referred to as the Barus Effect, but it also goes by several other names including the Merrington Effect, Die Swell, and Extrudate Swell.

How To: This Hair Care Product Will Keep Water Spots Off Your Car for Good

Taking care of your car requires effort, whether you take it to the pros for washes, waxes, and detailing, or you spend time to make it shine yourself—and it often seems that, right after your car is sparkling again, rain or midnight moisture appears to cover its surface in water spots. With a small tweak to your typical car care routine, you may be able to keep your car's surface and windows shining longer and better: you just need to add a little hair conditioning liquid.