Investigation Unit Search Results

How To: Solve direct proportions

You can solve any proportion using the fundamental rule of proportions. First you must build the proportion if you are given a word problem. Decide using logic whether it is a direct proportion (more on one side means more on the other). If so, find the parts of the equation that use the same units and make a fraction with these, putting the smaller number on top. The number left over is linked with one of the other two numbers in the fraction--use logic to figure out which. Put it in the sam...

How To: Find the area of complex figures

In this tutorial the author explains how to compute the area of a complex figure. Now he first defines what a complex figure is by saying that a complex figure is a figure made up of two or more basic shapes. He uses an example to convey his idea and breaks that sample figure into basic squares and rectangles. Now he computes the areas of these individual units separately and finally puts them together to arrive at the final area of the complex figure. If you are looking to compute the area o...

How To: Find the area of a triangle in geometry

This is a tutorial on how to find the area of a triangle. To show the viewer how it is done, the video walks us through a simple example step by step. The first step is to find the base and the height (in this example 5 and 6). The next step is to multiply them together (making 30). Next, the answer is divided by two (to get 15). Finally, the units are written next to the answer (in this case inches squared). This is beneficial as it is a very easy and user friendly way of learning how to fin...

How To: Plug the EFX-1000 into a mixer without send

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how to plug the EFX-1000 into a mixer without a send or return. The mixer in the video is the American Audio QS-D.

How To: Use a CORTEX HDC-1000 DJ kit

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how you use a CORTEX HDC-1000 DJ kit. This is a unit that will allow you to play and mix your music from your external hard drive, ipod or thumb drive. The beauty about the Cortex HDC-1000 is you could go to a gig with a few thumb drives in your pocket, plug and ...

How To: Use an American Audio Q Record DJ mixer

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how you can use an American Audio Q Record DJ mixer. This is a 19" unit and it can record an individual track or record the master out. Watch this DJ tutorial and you can learn use your American Audio Q Record DJ mixer.

How To: Set the levels on a EFX-1000 mixer

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how you can set the levels on the EFX-1000. Remember to watch the input and output as these FX units if used incorrectly can damage speakers and amplifiers. Before you use your EFX-1000 you need to set the levels properly. Watch this DJ tutorial and you can learn...

How To: Fix the lead on a Dyson vacuum cleaner

Check out this home repair tutorial video that demonstrates how to repair a lead on a Dyson vacuum cleaner. After a long period of time, the lead will get metal fatigue within it and the machine will work intermittently. Follow the step by step instructions in this domestic appliance repair video to properly troubleshoot the Dyson vacuum's switch unit. Please note that all work should be performed by a qualified person. Make sure to take the necessary precautions to ensure a safe repair of yo...

How To: Disassemble a 13" MacBook computer

Accidents will happen. This two-part video tutorial will guide you through the process of taking apart your 13" MacBook quickly and efficiently without damaging any of the components, the first necessary step of any successful repair. This tutorial will also be of use to those who wish to learn more about the guts of their MacBooks without actually disassembling their units. Replace your own display with this video tutorial.

How To: Poop in space

Phil and Charlie explain how its done in space. Each Space Shuttle has a toilet that can be used by both men and women. Designed to be as much as possible like those on Earth, the units use flowing air instead of water to move waste through the system.

How To: Maintain your RV refrigerator

Check out this instructional RV video that demonstrates how to fix your motorhome refrigerator. Learn what to look for when fixing your RV refrigerator along with simple steps to keep your RV out of the dealership repair bays. Here are a few simple do it yourself repairs that just might save you thousands.

How To: Apple's Massive Calculator Update Lets You Convert Currency, Area, Length, Time, and Other Measurement Units with Ease

Apple's Calculator app received a massive redesign, making it so much more than a simple calculator with built-in scientific functions. There's a new Math Notes feature that ties in with the Notes app, it can keep a history of your calculations, and you can even convert over 200 currency and measurement units.

News: Here's What the 2018 LCD iPhone Could Cost

This year will be an interesting one for iPhones. With speculation that the expensive iPhone X is underperforming, rumors have circulated that Apple will release three "bezel-less" devices, one of which will cost less by omitting the OLED panel for a traditional, yet large, 6.1" LCD. Now, thanks to the source of this rumor, we have an idea how much that lower-tier iPhone will cost.

News: Smart Home Proof of Concept Uses a Raspberry Pi to Control Air Conditioner with HoloLens

Empea Berlin, a Germany-based company specializing in augmented, mixed, and virtual reality software, released a Facebook video a few months back showing off their experiments in smart home technology. Using a Raspberry Pi and a HoloLens unit, they were able to make a virtual remote control for an air conditioning unit. The remote is complete with various modes, temperature controls, timers, and other features. There have been no updates on this project since they first showed it off, but hop...