From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems involving a mixture of two or more substances.
A Lampare, or aerial fireball shell, is a really cool pyrotechnics device that basically allow you to use a cartridge to launch a fireball into the air. This video will show you how to make a 3" Lampare out of black powder fuel and a Napthalene / charcoal mix. Dry fuel is safer and lasts longer than liquid fuel, so study up!
In this video tutorial, viewers learn how to make a shimmer mist mixture for cards. Begin by filling a small spray bottle with rubbing alcohol. Now add about 1/2 tsp-tbsp of Champagne Mist shimmer paint into the spray bottle and shake it to mix it. Users can also use frost white or platinum shimmer paint. To apply the shimmer mixture on a card, spray the mist in the air and wave the card stock into the mist. The alcohol will help dry the paint faster. This video will benefit those viewers who...
In this video, we learn how to prepare the mixture for paper mache. First, take a cup of flour and a cup of warm water and mix it together until well combined and a paste is made. Add in more water or flour if needed to make the right consistency. After you have done this, continue to mix until there are no flour lumps left in the mixture. Once you are finished, use this to dip your newspaper into so you can correctly make your paper mache. Make sure it's not too thick or too thin so you have...
First you make the crust by putting a bowl of flour and a bowl of brown sugar together into a large bowl. Whisk the flour and brown sugar together in the bowl. Next add two sticks of margarine cut up into smaller pieces. Use a pastry cutter and work the butter into the mixture until you have a bowl full of small uniform chunks. Next pour the mixture into a parchment lined baking pan. It will look really crumbly but that's okay. Once it is poured into the pan use your hand to smooth it out and...
Surprise your sweetheart this Valentines Day or any night, with a delicious Indian version of tiramisu. Tiramisu is traditionally an Italian dessert, and this is a similar recipe with an Indian twist. Why not give it a try? No one can resist the creamy deliciousness of fresh Tiramisu.
In this video Sarah Magid shows how to make dark chocolate cupcakes with espresso butter cream along with sugar flowers as follows:
In this video, Titli shows us how to make kheer (Asian rice pudding). The ingredients you need are: 1 liter milk, 400 sweetened condensed milk, 1/2 c plain rice, 5 tbsp raisins, 4 tbsp sliced almonds, 1/2 tsp cinnamon powder and 1/2 tsp of cardamom powder. First, put everything but your almonds and raisins into a pan and bring the mixture to a boil. Now, turn the heat down and let the mixture simmer for around 45 minutes. Once it's finished, add in your raisins and almonds then cook for anoth...
Caramel popcorn is a great American tradition - whether you are at the ballgame or the movie theatre, everyone loves this tasty treat! In this tutorial, Betty shows you how to make this sweet and salty staple at home, fresh out of the oven. So, grab a blanket, your favourite flick and cuddle up on the sofa with this delicious snack!
Watch this science video tutorial from Nurd Rage on how to make potassium permanganate with Dr. Lithium with potassium nitrate and manganese dioxide.
If there ever was a day to eat green candy, St. Patrick's Day would be it. But is there something better than the banality of green candy swarming the streets on St. Patty's Day? Yes—glowing green candy, and Instructables user BrittLiv wants us to show you how it's done.
We all know what elephant toothpaste is, but what's the best way to make this massive growing foam? Dr. Lithium from NurdRage has answers. He'll show you the best way to reproduce this chemical reaction to get the best foaming action! This is a classic science class demonstration.
You've probably eaten chow mein, and you've surely eaten chocolate..but have you ever eaten them at the same time? In this tutorial, Betty shows us her famous chocolate walnut chow mein bites recipe. These funky treats are both salty and sweet and make a great addition to any party. Your guests are sure to be impressed by both the yummy taste AND your creativity! Enjoy!
Sloppy Joes are a great dinner when you don't have all night to cook. They're messy, so kids love them, and they pack in a whole bunch of 'secret' veggies, too! Use lean beef and make these healthy and delicious Joes along with Betty! Everyone will love them!
Watch this science video tutorial from Nurd Rage on how to test if a fertilizer has nitrates rather than urea or ammonia as its nitrogen source.
No, not Charlton Heston. The only pudding he ever made was steak and kidney. I'm talking about Heston Blumenthal, world famous chef and pudding lover, and the man behind the "Heston"— a plum pudding with an orange hidden within, brought to you by Waitrose (see video below).
In this tutorial the how2heroes show us how to make pigs in a blanket from scratch. First, take 2 packages of mini cocktail franks, place them in a bowl and set aside. Now, that 2 1/3 cups of flour, pinch of salt, 1 stick of room temperature butter, 1 (8 oz) package of cream cheese and mix it in a food processor until it's made a crumbled texture. Now, add 2 eggs and 2 tbsp of cold water and keep pulsing until the mixture has come together. Now you will place the dough on a counter with flour...
No Southern Thanksgiving is complete without cornbread dressing! In this tutorial, Betty shows us the famous Southern cornbread-sage dressing that has turned her into her family's designated 'dressing-maker' every year! This delicious gravy can be spread over turkey, veggies, potatoes or even used as a dip! However you choose to serve it, you will definitely love this delicious recipe! Enjoy!
What could be better then macaroni and cheese as a finger food? Liven up any party with these delicious bites of baked mac and cheese.
Are you interested in parties and cocktails? Let's make a Jagermonster cocktail. Start with a rock splash and ice it up a little bit. Next, get another glass for an ice mixture, one ounce of Jagermeister, and a little bit of grenadine. Then, add 4 ounces of orange juice. Shake it up well for a good mixture, get rid of the previous ice in the glass, and pour it in. This will provide a variety in your list of cocktails.
This video explain the mixture of absinthe curacao frappe cocktail. The word "absinthe" comes from the ancient greek word "Absinthion" which means undrinkable. To mix this cocktail, the ingredients you need are: Lemon juice - 1 tsp Orange - 1 slice Orange juice - 2 tsp Triple sec - 0.5 oz Mata Hari Absinthe - 1 oz Procedure to Mix: Take a glass and put some ice cubes and add 0.5 oz of triple sec. Add 1 oz of Mata Hari Absinthe with the orange juice of 2 tsp and lemon juice of 1 tsp. Stir it w...
How to make TCPO or bis(2,4,6-trichlorophenyl) oxalate, used in glow stick reactions. WARNING: This procedure should only be performed by, or under the direct supervision of, an experienced chemist. Please refer to the material safety data sheets of all chemicals for their hazards. Synthesis must be performed in a fumehood.
Chlorine gas is a very useful oxidant, which was first introduced as a toxic weapon by the German Army. Even today, it's still used as a weapon, most recently in the Iraq War by insurgents. But chlorine gas has more useful (and less lethal) applications, and if you want to learn how to make some at home, NurdRage has the answers.
Nicko will show us how to make home made chicken nuggets. You'll need diced chicken breasts, about 1 inch nuggets; 1 egg and 1/2 cup milk mixed together and about 2 cups of flour and a bag of thinly cut sour cream and onion potato chips. You can use any type of chip flavor you like. Crush the chips up by putting them in a plastic sandwich bag and then crush them by tapping down on the bag with a rolling pin until they're a breadcrumb mixture. Now using your hand roll a nugget of chicken first...
This video demonstrates how to make a delicious molten lava cake. You need 4 oounces of semi sweet baking chocolate,4 oounces of unsalted butter, 2 eggs, 1/3 cup sugar, and ¼ cup all purpose flour. Let the baking chocolate melt in a double boiler. While it is melting into smooth liquid take a medium sized baking bowl and crack your eggs into it. Then add your sugar to the eggs and blend them. You can use a hand blender or a whisk but it may take longer to blend by hand. Next, take the melted...
To make Malawi nsima porridge: Build a fire to heat up the water. Use 1 cup of flour, put in pot of hot water. Allow the flour to sit on top for a little bit to keep the heat in. Then one of the ladies will stir the flour into the water. No gentleman will do this due to the culture. After the flour is stirred into the water, it will look like a dough. Scoop out the mixture and mold it into a ball. For the soup, heat up another pot of water, add the salt. In a separate pan, put in the onions t...
There's a few reasons why you might want to purify chemicals by recrystallization, but the best one could be luminescence glow-in-the-dark dust.
Watch this science video tutorial from Nurd Rage on how to make fire 4 ways without matches by using chemistry, without matches or lighters.
Crème Brulée is a classic French dessert. Watch this video to learn how to make a delicious Crème Brulée.
In this tutorial, Betty shows you how to make her sister's famous lasagna. This meaty, cheesy pasta is very filling and the perfect dish to make for large gatherings or family dinners. Follow along and make this easy recipe that is full of flavor. Delicious!
In this video tutorial, viewers learn how to make fondant. The ingredients required for the fondant are: 1 tablespoon & 2 tsp of unflavored gelatin, 1/4 cup of cold water, 1/2 cup of glucose, 2 tablespoon of vegetable oil shortening, 1 tablespoon of glycerin coloring and 1 tsp of extract. Begin by mixing the gelatin and water, and leave the mixture for 2-5 minutes until it thickens. Then place the mixture on the top of a double boiler and stir until it dissolves. Now add glucose to the mix. N...
Take 2 cups of baisan in a large bowl. Add salt, 1 teaspoon of chili powder, chopped coriander, 2 chopped green chilies, 1 teaspoon baking soda and one chopped onion.
The guys from Achievement Hunter are here to show you not how to get a specific achievement, but instead a couple of Avatar awards. These can be used on your Avatar characters to make them look a bit more Western. The awards are easy to unlock and result in a mixture of different pieces of clothing. So check it out, pay attention, and good luck!
Chicken noodle soup is a very comforting dish, but sometimes you need something a bit heartier. In this video, Betty shows us how to make her favorite chicken noodle casserole. This dish is bursting with flavor and very filling. The casserole is perfect for a chilly winter evening or anytime you need some extra lovin'.
Everybody loves burgers and everybody loves sandwiches - so why not combine them? In this tutorial, Betty makes square shaped sandwich burgers from scratch. This recipe is not difficult to make and is incredibly tasty. But, make sure you remember the napkins because this dish sure is messy!
Lamb shanks are very easy to cook. Take 6 lamb shanks and put them in a bowl. Put some olive oil, salt, pepper, rosemary, and thyme on them. Make sure you coat every shank with the seasoning as you turn the shank in the bowl several times. Put them in the oven for 30 minutes at 450 degrees. While the lamb shanks are cooking. Use a saucepan on medium to medium-high setting and heat 2 tablespoons of butter in it. Put some diced celery, carrots, and onions into the pan and saute them in the butt...
Learn how to recycle used paper. It's just a little project for your kids/students. You can add food colors or small flowers in order to make original paper for love letters, greetings, etc. You can also store the remaining mixture for future paper-making.
In this tutorial, we learn how to make a winning spicy country shrimp and grits dish. This is a classic southern dish with a Latin twist with some heat! To start, take your shrimp and peel and de-vein them. Add some Cajun seasoning and set aside. Then, grab some cream and pour it into a pan with salt, pepper, hot sauce, chili flakes, and salt. Then, heat up a pan with some Andouille sausage and let the grits thicken up. Pour the shrimp into the pan with the sausage and then heat up together. ...
Discover one of the many joys of Portugal— chicken piri piri. Once you've tried this tasty chicken dinner, you'll never want to try another recipe! It's a wonderful mixture of spices that coat the chicken, which is cooked in a skillet with a little white wine. That's all there is to it. Some of the spice include chili powder, ground cumin, cayenne pepper, salt and garlic powder. Robin Benzle of Chow Time shows you the secret to this simple Portuguese chicken piri piri dish.
In this video, we learn how to make spinach toast with leftover cream spinach. First, you will need to take small pieces of bread that you have leftover, as well as some cream cheese, parmesan cheese, and spinach (already cooked). Mix the spinach, cream cheese, and parmesan cheese together and add in some salt to taste. After this, spoon the mixture onto the individual pieces of bread and place into the oven. Let cook on a high temperature until the top and sides of the toast are light brown....
