This video explains the science behind a trebuchet. The trebuchet is a medieval machine designed to throw objects at or into castles. This video explains that the gravitational potential energy stored in the raised counterweight is converted into kinetic energy in the projectile. Trebuchets make excellent science fair projects.
This tutorial is very informative for those of you who aren't really familiar with the basics of Illustrator. Bert explains first, why you would want to use Illustrator instead of Photoshop, and then explains how to take an image or piece of artwork and vectorize it.
It might take Einstein to help explain the complex physics of bending light, but when it comes to bending pixels, it is an art commonly referred to in Photoshop as displacement. Displacement can let you use the lumonosity values of one image to bend the pixels of another; a "relativity" of sorts. Bert explains how this all works in this episode.
Dana and Fabian explain how to put a condom on a banana. The video explains the importance to safe condom habits and walks you through the proper condom technique.
Part of the mind body & soul series. The stretches shown are for your head, back, chest, arms and shoulders. They take about five minutes and can be done at your desk. As the stretches are being shown, the narrator explains them and explains how they are helpful. Tips and warnings are given as needed.
Famed singer-songwriter David Bowie will return to the real world as part of an augmented reality app launching on Jan. 8, 2019, which would have been his 72nd birthday.
Learn how the do all of the Celebrations in Fifa 09. If you want to know the controls while playing, just go to the pause menu, then to Controls, and then to Celebrations Help. When you score make sure your celebration is that of a winner a la David Beckham. Check out the tricks to doing celebrations like 'Look at Me', 'Low Aeroplane', 'Fist Bump' and 'Acrobatics'.
A good golf swing involves good golf ball positioning. Watch this video tutorial and learn how to position the ball correctly from David Leadbetter, the world's number 1 golf teacher.
A good golf swing involves good alignment and aim. Watch this video tutorial and learn how to align and aim the golf club properly from David Leadbetter, the world's number 1 golf teacher.
This brief video demonstrates how to use a Champagne saber safely, to open a bottle of sparkling wine. Impress your friends at your next party with your champagne bottle sabering skills. You can use a champagne saber or any other heavy knife.
Xeni checks in with the authors of the forthcoming O'Reilly HOWTO book "iPhone Hacks" (David Jurick, Adam and Damien Stolarz) for a demonstration of how to unlock and jailbreak your iPhone or iPod Touch. The authors promise to teach you how to coax more out of these devices: little-known features, performance tweaks, and tips on great web-based apps to install -- video game emulators, IM and VoIP apps, and media players that can handle a wider range of filetypes.
Fly Tying Lesson 1 for Beginners. This lesson from David Cammiss shows what you need and how to make your own fishing flies. This fly tying tutorial demonstrates a buzzer.
Take a peek at the tools and equipment Patrick Norton and David Randolph have acquired over the years as they walk you through the must have gadgets every geek should have on their workbench.
How to do David Blaine's card magic trick, is shown in this video.
David Beckham in his prime, long haired years shows a group of young kids how to bend their free kicks like he does. He shows them exactly where to strike the soccer ball.
An American English teacher explains how infinitives are used.
We explain how to disassemble Playstation 3 (PS3).
We explain how to assemble a PlayStation 3 (PS3).
Dave from Dave's Garden explains how to make raised beds.
Playing parts that require more than five fingers on the piano is one of the first challenges that beginning players must learn to overcome. This video by David from Piano Play It teaches us how to use the crossing over technique, in which one crosses their fingers over and under one another without moving the hand. This makes it much less challenging to play seven and eight finger melody and bass parts without leaving the hand out of position.
In this tutorial, David Allen Sibley, author of "The Sibley Guide to Birds", shows a few budding young birdwatchers how to draw an osprey. An osprey is a beautiful bird and knowing how to draw comes in handy when birdwatching. This way you can track exactly what you saw and what they looked like in a journal. Check out this tutorial, even if you aren't an official bird watcher, and learn some cool new drawing skills from a pro.
In this video piano lesson from Piano Play It, host David Yzhaki will teach you how to play the song "Help" by The Beatles. He starts you out by breaking down the intro into its basic chords and demonstrates them on the keyboard for you. Once you've got that down, he breaks down the verse for you to practice. With the help of this high energy video tutorial you will learn how to play this song in no time.
Freelance web developer and Internet marketer David Frosdick offers some tips and tricks in this video tutorial on how to secure your Gmail account.
Adam gives a detailed explanation of all the parts of the Parkour roll that give traceurs problems. This is an excellent and important move that everyone should master. Be David Belle, today!
In this tutorial, Mike Lively of Northern Kentucky University discusses the MVC (Model Viewer Controller) architecture, installs Cairngorm into Adobe Flex 3, and discusses one of David Tucker's examples. The MVC model is comprised of a Model (encapsulates information from the d base (XML file), View (presentation layer that the user interacts with, and Controller (processes and responds to events and invokes changes to the model and viewer). See how to use the MVC model and install Cairngorm ...
Sit back and ride as G Word correspondent David Newsom finds out the benefits of an electric bicycle. Watch and see how to convert a conventional bike to a battery-powered riding machine.
Michael-David BenDor demonstrates how an optical scanner voting machine can be hacked in under five minutes using everyday tools. So, if you want to rig the next election in Michigan, this is the video tutorial for you. Don't agree with the next popular president or governor? Then see how to hack and get around the presidential seal in the voting machine.
A video that teaches you the basic tricks involved in skateboarding. The demonstrator Melvin and his brother have inserted quite a few puns to make this video humorous.
Create your own macro lens using the standard 50 mm lens that is shipped with your Digital SLR camera.
If you are thinking about buying a bike to cruise down the oceanside with, check out this clip first. Make sure you fit on you bike properly to really get the whole experience.
This video is about Laparoscopic Suturing Techniques.The video begins with the narrator saying that the technique is widely used in major abdominal surgeries and mastering of the techniques would give great confidence in the surgical procedures.There are various types of laproscopic needle drivers are available which can be selected according to preference.Different types of 10 millimeter laproscopic ports are available,however the valves used in the ports are important for performing extra c...
This video is led by Eddie from Long Island Boaters Club. As the boating season ends, Eddie explains, it is very important to clean and prepare your boat for storage for the winter. An important part of this process is to power wash the algae growth and barnacle debris that can cover the hull very quickly. After taking the boat out of the water and placing on blocks, he lets it sit for one day. Then using a pressure washer, he removes the algae growth. A scraper is used to remove the actual b...
How to identify insects in your gardenCarol Sutherland explains us in this video of how to identify insects in your garden. She is an extension entomologist and she explains her view on the insects here. To be known is that some insects are damaging, some others we want to be aware of and some are necessary in your garden. Here during the garden season you get to see insects on trees as they form a familiar habitat. Mostly on the split ends and the broken ends the insects gets invaded. She sh...
In this video, Sbirdboi will explain how you can get rid of a gnat infestation. First, you must identify what kind of gnats they are, as this determines the best ways in dealing with them. He will explain three common types of gnats, their habits and where they tend to lay their eggs. After teaching you about the kinds of gnats, you will learn what steps to take to kill the gnats, and prevent them from coming back. You will also learn tips of ways you can attract gnats and subsequently kill t...
Cinema Makeup School instructor Greg McDougall goes through the steps your need to know in order to create a silicone wound on a student. He starts off by explaining the products needed in order to get the best results. Greg then proceeds to apply and explain how to place a prosthetic piece on your face and how to get it to blend into your skin color. After apply the prosthetic he begins to color in the wound to make it look more realistic. To finish off and get the best result you apply fake...
This how-to video explains the importance of choosing a quality car mechanic and shop. This video is by AAA. They say that by investigating a shop before you trust them making repairs on your car, you can save a lot of money later if they make a mistake. John Neilson of AAA explains to look at the cleanliness of a shop because if it is clean then they probably take customer service very serious. If you follow these easy instruction you will be assured that you can select a quality car mechani...
The author of this video tells her recipe for Mutton Curry, as well as shows the dish being made at different steps in the process. The dish is made with Mutton as the main ingredient, and includes ginger paste, garlic paste, yogurt, onions, various powdered spices, cloves, and salt. It is cooked in a pressure cooker, and she explains how everything should look at different intervals of cooking the dish. She explains that one might agree that minimum spices can be better than many different t...
On this video from Bushcraft Machete, he explains the purpose of a scandi edge and how to use it. He uses the machete as a planer, stripping the bark from a log by holding the machete almost flat against the log and tapping the back of the blade with a stick. He explains that a scandi edge is sharpened all the way down to a point and has a very low angle. This type of edge makes the machete useful for carving off thin strips of wood. He has sharpened his machete with a scandi edge near the ha...
In this Do-it-Yourself video, presented by Lowe's, you will learn step-by-step how to Cook Fruits and Vegetables on your Grill. Cooking utensils needed: Tongs, a Spatula, Skewers, and a Basting Brush. It also gives the option for printing the instructions at Lowes.com/Videos. It explains how to cut the vegetables and sear them until they are tender, giving them a smoky flavor. It then explains how to cut and grill the fruit so that the fruits natural sugars are caramelized, giving them a swee...
Mr.G in the episode 3 of "Summer snow fall" explain the experiment for eddy currents and lenz law by using general house hold items like copper tubes of different dia., 2-neo themium magnets attached together and a ball bearing magnet. At first he took the big diameter copper tube and drop the neo-themium magnets, they fall slowly without touching the surface of the copper tube as they are like freely falling from space with less gravity, for the next time he took small diameter copper tube a...
