The masks of plague doctors were filled with aromatic herbs to help protect them from the miasma or 'bad air'. In this step by step guide Corina Bona, professional puppet and prop maker, shows you how to make your own. WARNING: may not actually protect you from the plague!
This VideoJug film is designed to show you how to find density. To measure the density, what you usually do is to measure the mass of the object, and also measure the volume, and then divide mass by volume to get the density as shown in the video.
When you have an estimate and want to compare it with an actual outcome, it's sometimes useful to know by what percentage you were wrong. VideoJug has the perfect video for teaching you how to calculate percentage error.
VAT is the tax charged by the government on different items and it also differs from country to country. It is the money which the consumer pays to buy any product or service to the government, and here's how to calculate it.
This video has a math tutor Patrick McCarthy teaching how to calculate the area of a triangle. He shows you both methods. First the simple method of 1/2 base times height and then the other method of 1/2 times side a times side b times sin of angle C. He shows an example of each so that people can easily understand each method.
This Videojug film is designed to show you how to get pregnant fast with your diet. If you want to know how to get pregnant fast then you should increase your chances of conceiving by avoiding all crashed diets like the fast foods. Discover great tips how to get pregnant fast naturally with the help of this video.
Videojug video clearly explains different methods to find the height of a triangle. First way is simply measuring it with a ruler. An advanced method is to find the height using trigonometry which includes Sine, Cos and Tan. In this example, the height is found my making use of trigonometric identities.