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How To: Build a handheld version of the TSA's microwave-based body scanner

With the TSA's full-body scanners occupying a great deal of airports nationwide, the debate remains as to whether air travelers should continue to be subject to immoral security techniques and possible health risks due to the x-ray scanning devices. The "advanced imaging technology" may help keep obvious weapons out of major airports, but scanning naked bodies seems more voyeuristic than crucial to national security. But while the argument continues, one woman is taking a stand… well, not rea...

How To: Program with Python

Welcome to Google's Python Class – a seven-segment, two-part free virtual class for people with a little bit of programming experience who want to learn Python. The class includes written materials, lecture videos, and lots of code exercises to practice Python coding. The first exercises work on basic Python concepts like strings and lists, building up to the later exercises which are full programs dealing with text files, processes, and http connections. The class is geared for people who ha...

How To: Apply four styles of lighting

This video tutorial will show you how to apply four styles of lighting. This video teaches you how to apply four styles of lighting, namely Rembrandt, Beauty, Cameo and filling in from the Key Side. You will learn about high contrast lighting schemes, dealing with the amount of contrast used to highlight a person's face, as well as spotlight effects, and how these tend to draw the viewer into the scene. You will be shown how the Rembrandt Lighting setup contains three steps, namely taking a K...

How To: Make nitric acid

Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials.

How To: Impress classmates at a school dance

Got moves? Than show them off! School dances can be pretty lame, but you could pump up the volume and make it one of the best nights of the school year… along with impressing all of your classmates (or maybe completely embarrassing yourself). Be creative with your sources to impress your classmates at your next school dance.

News: The Best Black Friday 2019 Deals on iPhone Cases

While some people might like Thanksgiving because of the food, seeing family, or another wholesome reason, many of us also enjoy saving big on the items we've been eyeing all year. Take iPhone cases, for example. Speck, Insignia, even Apple all make cases that can put a dent in your wallet. A good Black Friday deal can mean a shiny new case for your iPhone and some extra dollars in your pocket.

How To: Identify fruit tree problems

This video describes problems with fruit trees and how to deal with them. One problem is Chlorosis, identified by yellowing leaves with green veins between the sections of the leaf. This is caused by a micronutrient deficiency (usually iron) that results when the tree roots are unable to absorb all the nutrients from the soil. This problem can be temporarily treated with a foliar spray of iron. Another problem is pruning wounds with decay that results when trees are not pruned correctly. They...

How To: Identify problems with snails & slugs

Snails and slugs can really be a problem sometimes if you are a gardener. They feed on plants and can be considered pests, sometimes even getting inside your house. They are identified by their tell-tale slime trails. A bad infestation can be very hard to deal with. However, specialized cleaners or fertilizers can help your garden snail-free.

How To: Do a prediction card trick

Learn a unique prediction card trick to impress your friends. Items needed: a deck of cards (with the box), a pen and a piece of paper. Memorize and place 3 cards inside the box before you begin the trick. Make your spectators inspect or shuffle the remaining cards. Place the remaining cards inside the box and make sure your audience does not see the hidden ones inside. Tell your audience that you will make a prediction but do not disclose the number of cards you'll be predicting. Write down ...

How To: Survive and master slides in whitewater kayaking

No matter how you cut it, slides are tons of fun. There are all types of slides, and while some are big and scary, many are not. Regardless of whether you are having a blast on some mellow slides or trying to set a world speed record on something large there are a few techniques which will help you ensure success. Watch below as Shane helps us out with some basic slide technique:

How To: Deal with a runny nose

The worst part of having a cold is the runny nose. You keep using tissue after tissue, to no avail. Well, help is here. Check out this video to learn how to deal with your runny nose and keep the tissues to a minimum. Stock up on decongestants and antihistamines.

How To: Deal with itchy winter skin

Do you have to deal with dry, flaky skin? Is your skin especially itchy in the wintertime? Then you need to watch this video, which will teach you how to adjust to winter weather in order to take care of your skin. It can be as simple as remembering to moisturize, and switching from showers to baths. Once you follow these steps, you can say goodbye to dry, flaky, itchy, scaly skin!

How To: Deal with brown patches on Leylandii hedges

Over the past few years brown patches on leylandii hedges has been a real problem in some areas. These patches are caused by conifer aphids that feed by sucking the sap from the new shoots. In this gardening tutorial, Martin Fish from Garden News shows you how to deal with brown patches on your Leylandii hedges.

How To: Deal with a flooded Nitro engine on an RC vehicle

Alishan Mao describes how to fix a flooded Nitro Engine on an RC car, remove the excess fuel, and start the engine. Flooding of the engine can occur when priming the engine. If you prime the engine too much, the engine can get flooded, making it difficult to pull the pull start. A simple way to fix this is to remove the glow plug. Cover the top of the engine with cloth or rag and hold it there so that the fuel does not splash all over the place. Pull the pull start several times. The fuel wil...

How To: Dance with a girl at a school dance

In this how-to video, you will learn how to dance with a girl at a school dance or club. This will be helpful for guys who are too self conscious to start dancing. It is important to just have fun. The main thing is to be confident so you do not feel embarrassed the entire night. Be prepared to get rejected. If you dance closer to a girl and she walks away or gives you an excuse if you ask her to dance, move away. Move around and find another girl. If she is with a group of friends, be carefu...

How To: Reduce puffiness under your eyes

Joanna Schlip is a professional make-up artist who focuses on how to deal with puffy eyes. Prevention is always better than cure and making sure that you get enough sleep, staying well hydrated, treating any existing allergies, avoiding known allergens are just a few ways you can avoid your eyelids from getting puffy. In today's fast paced day and age where we don't have time to call up a loved one, let alone get eight full hours of sleep a night, there is precious little one can do to avoid ...

How To: Do yoga handstands with Tara Stiles

Tara Stiles shows us how to work on yoga handstands. Don't worry if you're afraid of handstands, as Tara Stiles will show us how to build slowly with tips and tricks to overcome any fears. We begin with our hands on the floor, about a foot away from a wall, and then kick your legs over and up against the wall so you re upside down. Don't worry about your form yet; this is to get comfortable with the position. When that feels comfortable, the video shows different positions to try that will bu...

Walkthrough Left 4 Dead 2: C5, The Parish - Park

Check out this L4D2 walkthrough for some tips on Campaign 5: The Parish - Park. Stock up on items and exit via the door right next to the one you entered. Clear out any zombies and work your way up the large staircase into the park. Be prepared to deal with a likely Crescendo event in the plaza here. Pick a one of the staircases to climb up and enter the park. The restrooms near the entrance of the park usually contain a throwable item or two. For more info, watch the whole gameplay.