Fluorescein is a commonly used fluorescent dye that is quite hard to come by in a concentrated form. Fortunately, it's used in relatively large quantities in highlighter markers and can be extracted by a fairly simple process. Fluorescein makes spectacular explosions of color as it dissolves into water and can be used for many different purposes that are addressed in the video below.
What Is a Rate? A rate is a comparison of two quantities that have different units. An example is 90 miles/3 hours, which is read as 90 miles per 3 hours.
Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Duplicating, or "duping" items has been around for as long as PC RPG's, and allows you to use glitches to duplicate your items in the game. This video will teach you how to use the stunningly easy-to-use dup glitch in Dragon Age 2 to duplicate as many of any item you have 2 or more of your want, up to 999. This essentially gives you unlimited money and items.
In this video, we learn how to prepare yourself for a major disaster. If you haven't planned ahead for storing water, you are going to be in big trouble. Your first option is to go purchase liters of water from the grocery store. The recommended quantity to store is 1 gallon per person per day. If you don't want to spend money at the store, you just need to fill up empty bottles with water from the tap and store these after cleaning. You can also fill the water in a large jug, just make sure ...
This video speaks to everyone who has ever bought anything online, or in fact, anyone who has ever bought anything period. How do you know what you're getting is genuine? Is it a fake product? Is it stolen goods? Is it impure?
You already know how to make sulfuric acid with the metabisulfite and oxidizer method and you saw how to make copper sulfate from copper and sulfuric acid, so now try making sulfuric acid with these two in mind… with sulfuric acid by electrolysis of copper using an inert anode.
Watch this science video tutorial from Nurd Rage on how to make copper sulfate from copper and sulfuric acid in three ways. They show you how to make copper sulfate from copper and sulfuric acid using two chemical methods and one electrochemical method.
This tutorial video will teach you to make Shabu-Shabu. Shabu-Shabu is a Japanese beef hot pot served with porridge.
Hetal and Anuja from Show Me the Curry! take a step away from their usual Indian cuisine to show you how to make a delicious Mexican-style seven-layer dip. Choose the serving dish. For large parties a decorative bowl is suggested; otherwise, you can make individual servings in a margarita glass. For the first layer, spread refried beans in the bottom. Make this a thick layer as it is the most substantial part of the dip. The second layer is guacamole; spread this over the top of the refried b...
Vegetable puffs are a wonderful snack option for the days that you want something substantial and you can’t wait very long for it to be made! Watch this how to video to learn the recipe and the method of cooking vegetable and keema puffs.
HealthyCook teaches viewers how to make healthy but easy granola cereal bars! You can use oatmeal oats, grains and all different types of oats (You don't only have to use just one kind). Choices range from jumbo oats, barley flakes, rye flakes and ordinary oatmeal oats. Gluten free choices are barley flakes, brown rice flakes (in small quantity), millet flakes and finally quinoa flakes. Use 100 grams of softened butter and mix it in a large bowl. Add in 75 grams of dark molasses sugar and mix...
Watch this video to learn how to prepare these sumptuous potato balls with cream cheese center perfect for vegetable lovers. 1. In a casserole, place chopped Serrano peppers and grated ginger. Add salt and garam Marsala. Then put chopped potatoes to boil. 2. Remove and drain potatoes when tender. Transfer to another casserole. Put in bread crumbs, Garbanzo flour, ground brown Coriander then mash everything. Transfer to a pan to spread to cool. 3. Get your yogurt cream cheese. Place some at th...
Learn to make delicious shrimp biryani by watching this video. For getting started, the chef uses the following ingredients: * 1/2 pound of clean, de-veined shrimps * 1 tsp salt * 1/4 tsp turmeric powder * 1/2 tsp of ginger garlic paste * 1 tsp of coriander powder * 1/2 tsp of chili powder * 1/2 tsp of garam masala * 2 tomatoes * 1/4 of an onion * 2 green chillies * 1 cup of basmati rice The rice is to be washed, cleaned and soaked for an hour. Thereafter, it is boiled along with 3 green card...
Watch this science video tutorial from Nurd Rage on how to make silver chloride for a photochemistry test. They show the chemistry of photography using silver chloride that they make themselves from table salt and silver nitrate.
Gazpacho isn't all tomatoes! This wonderful gazpacho summertime soup has tomatoes and it has roasted red peppers and garlic. It's the perfect summer treat during a hot day in the sun. Check out the video recipe for all the steps to preparing this Spanish-style soup.
We all know how volatile the stock market is, especially during times of crisis. That does not mean that the market is impossible to gauge, however. Day traders are trained to read charts in order to recognize market trends and price patterns, giving them the insight they need to make their trades as profitable as possible.
Check your Settings, software testers — Apple released the fifth iOS 12.1 beta on Monday, Oct. 22, just seven days after seeding the fourth beta to both developers and public testers alike. While this initial update is only for developers, we expect Apple to subsequently release the public beta within hours of this post.
If you have a substantial collection of POGs, the disc-collecting game from the 1990s, squirreled away in your basement, then a new augmented reality app may give you a reason to dig them up.
Data visualization has many applications in virtual and mixed reality, since a third dimension literally adds important depth to the represented information. A new app called HoloFlight is a good example of this, combining flight-tracking data and the Microsoft HoloLens to surround you with a look at every plane in the sky.
Mixed reality filmmaking isn't a new concept. Disney managed to make it work in 1988 with Who Framed Roger Rabbit, but not without an enormous amount of work. We haven't seen many mixed reality films of that scope since, and perhaps that's because it's still hard to accomplish. Filmmakers don't look through a viewfinder or monitor and see the fully rendered result on screen—but that can change with mixed reality headsets like the HoloLens.
There's been a lot of speculation as to what Apple's next iPhone models will have in store for us. There's a lot of credible rumors about the iPhone 7, but is there also a Pro model in the works? We may actually have a legitimate sneak peek at what that device could look like.
Android devices are awesome, let me just state that now, but when iOS 7 came out, the new flat theme caught my eye. Yes, we can easily apply new themes on our Nexus 7 tablets to make it look more like iOS 7, but they won't actually change the individual look and feel of apps like Instagram.
While Siri's integration with the iPhone is becoming increasingly substantial, restrictions with the intelligent personal assistant are apparent when it comes to third-party apps like Google Maps, Netflix, and Spotify (unless your iPhone is jailbroken, of course). As an avid Spotify user, it's distressing that I can't use Siri to navigate through the music streaming service's extensive library. In the car, I use Spotify about 90% of the time and it can become increasingly frustrating to chang...
While there is definitely no shortage of video game emulators in the Android Market, it lacks in modern gaming consoles. Nintendo 64, Game Boys, and Sega Genesis are all accounted for, but what about emulators for some of the gaming consoles that have come out in the, let's say...past decade?
Contrary to popular belief, IKEA can get pretty expensive. You find something that comes pretty cheap, but then, you decide that your GORF will look good with the BLERGH, and you really need the SPLOOF to tie it all together. Pretty soon, your living room looks like an IKEA magazine ad, and your bank account has seen better days. Instead of spending so much money at IKEA, why not build your own pieces of furniture?
This video illustrates the quick and easy method to Buy fresh ginger and brew a pot of ginger tea . The process is comprised of the following steps:Step 1: Visit a local store or a vegetable shop and buy some ginger. Identifying whether the ginger is fresh or not is a easy job. Just smell it and judge if the odor is strong. A strong odor indicates that the ginger is fresh.Step 2: Mesh the ginger pieces and peel off it's skin.Step 3: Take small pieces of ginger and add them to boiling tea.Step...
Karen Knowler demonstrates how to make a quick and easy recipe called Fried Mushrooms in this video. This dish can be eaten as it is or topped with your salads. She takes in a generous quantity of mushrooms and slices them (obviously after they are washed!). Then olive oil is drizzled over the mushrooms and they are mixed well. Next, the juice of a whole fresh lemon is poured over the mushrooms with olive oil, to give an added taste. Next, she crushes two whole garlic pods and adds them in. T...
Spread several sheets of wax paper on cookie trays, side-by-side. Using a butter knife, spread a teaspoon of peanut butter on each Ritz cracker. Set aside.
In this Arts & Crafts video tutorial you will learn how to use ICE Resin to make resin jewelry. ICE resin should be used in a well ventilated room and be sure to follow manufacturer's recommendations. The kit comes with mixing cups and sticks. Additionally you will need a paint brush, scissors, sponge and needles. Once you mix the resin and the hardener, you got to use it within 30 minutes. Curing time is 24 hours at 72 degrees Fahrenheit, which is the room temperature. You can make it faster...
This video tutorial is in the Fine Art category where you will learn how to make a hat out of felt. You will need glue, silver wrap, a plastic bowl, pins, felt and a mold of the head. Take a red felt and cut out a big square piece, a small triangular piece and four curved shapes as shown in the video. Now cut four curved strips from each of pink, light green and dark green felt. Pour glue in the plastic bowl, add equal quantity of water and mix well. Take the square piece of felt and dip it i...
In this Education video tutorial you will learn how to do a yeast experiment to see how much C02 it produces with different types of food. Yeast is a fungus and it has to eat. After it eats, it produces CO2 gas. The bubbles in bread are produced by the CO2 gas from the yeast. Take five different types of food items and measure out the same quantity for each item. In the video it is 8gms of cookie, oil, flour, salt and sugar. Take six glasses of water and mix one packet of yeast in each glass....
In this video Dr. Carlson demonstrates the properties of light. Light is like a wave and it is also like a particle, which means that it comes in small packets. To demonstrate how we know that light behaves like packets of energy, he uses LED’s in different colors and a sheet of phosphorescent paper. When light with a high enough energy shines on the paper it will cause the paper to glow.
This video is a demonstration of how to make pumpkin soup the Vietnamese way. The ingredients are 1/2 pound of ground pork, scallions, fresh pumpkin, salt, pepper, sugar and fish sauce. Prepare the meat: mix the pork with 2 teaspoons of sugar, half a teaspoon of salt, some pepper and chopped up scallions (reserve some), and two tablespoons of fish sauce. Cut up the remaining scallions. Cut up the pumpkin and remove the skin. Boil four cups of water and a little salt. Drop chunks of pork into ...
For anyone who has ever used a microphone, trying to record something during a windy day can be a bit of a pain. Of course we can eliminate most of the interference with a simple wind screen that can be purchased at the store, but many times they can be a bit pricey. Well, in this tutorial find out how to make your own wind screener for a Zoom H2 mic. Enjoy!
Deke McClelland explains what the Levels and Histogram commands can do in Photoshop in this video tutorial. Levels allows you to adjust the luminance levels allowing you to adjust the contrast and colors within each color channel of an image. Thus, Levels allows you to adjust the individual colors that can be found within a gradient. This command is very similar to the curves command but to a less powerful extent. It is also more efficient than the curves command. The Histogram is another col...
Cate Adair, a fashion consultant makes many important and useful points in how to find the correct bra size. The first point is that your bra size is constantly changing. Losing/gaining weight, as well as exercise can easily change the size of bra you need. Due to this, it is important to get measured frequently since your size can change. She also points out that different outfits require different types of bras. Cate gives the example that the perfect bra while wearing a t-shirt probably is...
Watch this video to learn how to prepare an easy lobster appetizer. Your guests will gobble them up in no time! Ingredients four (1 lb) lobsters six cups mesclun (baby greens) one cup lobster stock one shallot, peeled and finely diced cup vinaigrette one tsp fresh lemon juice Freshly ground white pepper to taste Fine sea salt to taste one bunch fresh chervil for garnish Preparation Cut shelled claw meat into inch wide strips. Cut the legs and shell that covers the tail meat. Cut the tail meat...
Not sure how to plan a funeral? A well-planned memorial service honors the deceased and comforts those who are grieving. Learn what steps to take when planning a funeral in this how-to video.
There's still a ton of gold to be had out there, you just need to know how to find it. There a certain spots to look for, like ancient riverbeds and high benches. This video will show you where and how to pan for gold in ancient riverbeds and high benches. Learn how to find them and what to look for.
