How To

If you know how to multiply two matrices together, you're well on your way to "dividing" one matrix by another. That word is in quotes because matrices technically cannot be divided. Instead, we multiply one matrix by the inverse of another matrix.[1] X...

A casted wax hand makes an elegant and even mysterious decoration. Add a wick, and you've got yourself a bespoke candle that adds some mystique to any room! We're here to show you how to melt the wax and make a hollow sculpture or a solid, sturdy candle a...

While it isn’t possible to “convert” watts to amps, it is possible to calculate amps using the relationship between amps, Watts, and voltage. This relationship is different for different types of systems, such as AC or DC power, but will always be the sam...

Sometimes the best of friends simply lose touch. Bringing them back in and reconnecting can feel amazing, as you are able to share this new part of your life with them. Finding them and starting the process can feel intimidating and overwhelming, but it’s...

If you have a fireplace, you know how great it is to be able to light a fire in your home on a cold night. However, you also know how dirty the bricks in your fireplace get from all the smoke and soot. Because they get so dirty, fireplace bricks should be...

If you are looking to add a little color and crunch to your next meal, julienne carrots can do the trick. Also referred to as matchstick carrots, these bite-sized morsels can be added in everything from salads to desserts and can give whatever you are ser...

Regrouting your tile is a simple task that can be done in a small amount of time. The only aspect that takes some time in this process is the curing of the grout. All you need is some grout mix and a couple easy to use tools.

The ophthalmoscope (also known as a fundoscope) is a tool used in medicine to examine the interior of the eye including the retina, fovea, choroid, macula, optic disc and blood vessels. Optometrists and general practitioners alike can use an ophthalmoscop...

Most vehicles are now equipped with an Exhaust Gas Recirculation (EGR) valve to reduce emissions. Several symptoms can point to EGR valve problems: failed emissions test, poor idling, or random changes in engine speed. There are a few methods for testing...

A log bed is a bed frame built entirely from logs that are cut and shaped to fit together without nails or screws. Early log beds were made with crossrails and topped with a mattress. Modern log beds hold a box spring as well as a mattress, and so have no...

Any roof which has 4 sides, all of which slope upwards to meet at a seam at the top of the roof, is a hip roof. It is perhaps one of the simplest styles of roofing and is often combined with gables or other features. Hip roofs drain water well, and leaves...

Cleaning asphalt is a task that many homeowners do once or twice each year. With asphalt driveways, the process of cleaning typically requires using the right combination of cleaning products to help loosen oil and other types of stains from the surface,...

A mitered corner is a way to finish corners on pillow cases, curtains, napkins, and many other types of sewing projects. Creating mitered corners will make the edges of your project look neat and clean. Sewing mitered corners might seem challenging, but i...

Jute, also called hessian or burlap, is a natural fiber found in clothing, luggage, and home furnishings. Jute carpets have some of the softest fibers in the world and feature a gold shine in their natural state. Jute may also be dyed a myriad of colors t...

You can lower your car by cutting the coil springs that are compressed in the strut above the car's tires. A professional mechanic often carries out the process of cutting a car's coil springs and lowering the vehicle. With a few tools, such as a coil com...

When you get a utility trailer new or used, you usually need to register it with your area’s Department of Motor Vehicles (DMV) so it’s legal to use on the road. While each area’s regulations may vary, they all need required paperwork, such as registratio...