Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra two-part lesson on scientific notation. Find out what scientific notation actually is, and see how to work with it.
See how to express very large and very small numbers using scientific notation with this free video math lesson from Internet pedagogical superstar Simon Khan. 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).
A sonicator is a scientific device used to liquefy cells in order to study their proteins. The same tool can also be used to liquefy other things, including Gummy Bears! This video will show you how to use a sonicator to destroy a Gummy Bear completely in a very scientific way.
Confused about scientific notation? In this informative video, Doug Simms from free math tutoring helps you work with large numbers more efficiently by converting them into scientific notation. Let this expert walk you through easy to understand marker board examples covering all of the basics of scientific notation, including exponents, decimals, and how to convert numbers back and forth between different notation forms. Don't let confusing science problems get you down when Doug Simms is ar...
Need to know how to convert between scientific and decimal notation? Learn how with this free video math lesson. 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 study for that next big test).
The best evidence that UFOs represent spacecraft from other worlds consists of grainy photographs, blurry videos, and anecdotes about things that go bump in the night. In this episode Michael Shermer shows how easy it is to fake UFO photographs, enlisting the help of children and disposable cameras to create convincing photographic evidence that even fooled experts!
New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 477th installment in their series of digital spreadsheet magic tricks, you'll learn how to prevent Excel from displaying a 13-digit number ID in scientific notation using the number formatting tool.
This video walks you through on how to apply scientific notation. This excellent video shows you a clean blackboard, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will make you feel like your back in the classroom but rather comfortably from your home.
The scientific method is one of the great constructs of modern academic thought. If followed rigorously it makes science as accurate as any general procedure can make it. Watch this video to learn the steps of the method and how to use it to conduct your own experiments.
Interested in converting numbers both into and out of scientific notation? This free video lesson will teach you everything you'll need to know. 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).
There are all kinds of theories—many supported by science—about what causes Alzheimer's disease. Tangles of protein called ß-amyloid (pronounced beta amyloid) plaques are prominently on the list of possible causes or, at least, contributors. An emerging theory of the disease suggests that those plaques aren't the problem, but are actually our brains' defenders. They show up to help fight an infection, and decades later, they become the problem.
Do you have a file (or many files) that, in the wrong hands, may cause you trouble? Don't worry about it, because I'll show you how to wipe it (or them) from your computer in order to leave no trace behind.
Athletics and video game playing haven't always enjoyed a close relationship, but they certainly do now, as evidenced NFL players competing as fiercely at Madden as they do on the field. This video will teach you how to make a soccer ball or or baseball Call of Duty Black Ops player card / emblem / icon.
If the oil pressure gauge on your car is acting erratic, you might think that the fuel pump or filter on your car is bad. Assuming is not the way to fix your car, and in this video you'll learn how to figure out what is causing your low oil pressure, possibly saving you having to replace your filter and pump.
Donnie Hoyle shows us how to edit video frames in Photoshop. So if you suck at Photoshop check out this tutorial and learn how to edit video frames like a pro. This is extra helpful if you need to remove yourself from incriminating video camera evidence.
The best part of science class for many was the awesome demonstrations and experiments teachers use to demonstrate scientific principles. This video will teach you how to capture some of that magic by performing ten awesome science party / magic tricks, like relighting a match with smoke and rolling a can around on it's rim.
The transistor has changed the world since 1947, and the old point contact transistor isn't the scientific darling it's always been. It's still vital to the modern world though, and in this video you'll learn how to make your own point contact transistor with germanium and phosphor bronze contacts.
Are you an active or aspiring scientist? In this free educational video from National High Magnetic Field Laboratory, learn how to make a model of a comet, and why models are important to scientists. Get started on a scientific road to discovery with help from this excellent video on how to make a model of a space comet.
Welcome back, my fledgling hackers! In this series, I am trying to develop your knowledge of digital forensics, which is valuable whether you're choosing a career in it or just want to know how your hacker activity can be traced. Few professional digital forensic investigators have a hacking background, but the best ones do.
Here are some simple and fun tricks you can do at home with candles to astound and impress your friends and family. Create an extinguisher using baking soda and vinegar, use smoke to relight a candle and create a vacuum using a candle.
In this video, learn how to make your own homemade electroscope. An electroscope is an early scientific instrument that is used to detect the presence and magnitude of electric charge on a body and for static electricity experiments. They are easy to make. This electroscope is made from a binder clip and two sheets of plastic (or overhead transparency film), and scissors.
This video describes Resistor Color Codes and how to read them. It relates Resistor Color Codes to scientific numbers and engineering notation.
There's a lot of evidence that suggests that life can be better down where it's wetter, and in fact, it's hotter under the water. If you'd like to move under the sea, in Minecraft at least, check out this video to learn how to build an underwater room.
Hayley Williams is a rock chic with a soft side, as evidenced by the constant contrast between her disarming red hair and her romantic, soft makeup. While the girl amps things up when she's on the red carpet, for the most part she prefers light, shimmery colors to emphasize her pale porcelain skin.
A (harmless) explosion a day keeps the police away. Indulge your rambunctious little boy in some scientific fun by helping him build an overhead water rocket launcher, which shoots recycled plastic bottles.
Follow Crazy Chris' instructions, and crazy antics to make your own Monster Footprints. All you need is some wet ground, some gullible friends, and a hunk of Styrofoam. Chris shows us how to cut out Styrofoam monster feet, strap them to your shoes, and go tromping through the forest. He uses these fake prints to show how easy it is to make false claims about Big Foot sightings, and explains how no convincing evidence for these creatures has ever been put forward.
Having trouble staying organized? Need some tips on cleaning our your garage? How about getting rid of evidence? The DIY's Guys are here to help. In this episode see what you can do with dryer sheets besides get rid of static cling. Keep shoes smelling fresh, the garbage smell under control and the couch scented with laundry dryer sheets.
This is a short video about collecting old or antique binoculars. This binocular video is helpful if you are interested in buying, selling, collecting or just learning about these old scientific instruments. This can help with all kinds of binoculars like Ross, Barr and Stroud, prismatic, or Galilean types.
Do your roommates constantly steal your toothpaste? Give them a surprise - by filling the tube halfway with toothpaste (you can add food coloring to make the evidence more clear), some baking soda and vinegar in a small ziplock bag, when they try to use it the next time, the contents will be blown out onto their hands! Use this as inspiration for one of your April Fools Day pranks!
Learn about the history and technology of batteries in this informative video, and learn how to make your own voltaic cells at home, along with other scientific experiments. Jeri Ellsworth demonstrates how and provides several informative facts about the history and technology about the battery.
Magically get a hardboiled egg into (and out of) a bottle, make a star using toothpicks and challenge someone in a brain teaser using wooden matches. Mr. G demonstrates how in this video tutorial and, for all the eager students whose brains are brimming with curiosity, explains the science behind it all.
Not only can you jailbreak your PS3, you can do it just by using a TI-84 silver edition scientific calculator! You'll need to download a simple app first, and this will certainly void your PS3 warranty, but if that's okay with you, here's how to do it!
Learn how to measure cooking ingredients. Some home cooks approach cooking as an art form, a splash of this, a dash of that, and soon each culinary creation is deliciously unique. Bakers are more likely to appreciate the scientific side of cooking, relying on the careful measuring of ingredients to ensure consistent results every time they prepare a recipe. To measure cooking ingredients, you'll need a glass measuring cup for liquids, and a dry measure for powders.
With the countless daytime talk shows starring and featuring doctors, nurses, and other medical specialists, discovering new ways to live a healthy life is just a remote click away. Although their shows might draw you in with incredible facts and mind-blowing secrets to weight loss success, it's important to take each televised recommendation with a bit of suspicion—most of these familiar faces aren't exactly telling the truth.
Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.
As a Boy Scout, when the First Class rank is attained, a scout has learned all the basic camping and outdoors skills of a scout. He can fend for himself in the wild, lead others on a hike or campout, set up a camp site, plan and properly prepare meals, and provide first aid for most situations he may encounter. A First Class scout is prepared.
Zombies have followed hot on the heels of vampires as the monster du jour in modern America, and this has been particularly pronounced in video games for some reason. Gamers dig zombies, we suppose. The zombie game folks are even developing some camaraderie amongst themselves, as evidenced by the easter eggs exchanged in Left 4 Dead 2 and Dead Rising 2: Case West. This video will show you where and how to find a Left 4 Dead 2 reference / easter egg in Dead Rising 2: Case West.
So you need to find the p-value for your hypothesis test. To do so, employ the spreadsheet program Microsoft Excel. Using a simple formula, you can easily determine the p-value for your tests and thereby conclude strong or weak support of the null hypothesis.
In this video tutorial two-parter, you'll see how to dissect the female reproductive tract of a mature laying hen for an anatomical look.
Try out this science experiment... watch this video tutorial to learn how to illustrate the scientific concept of conservation of mass. This is purely educational, and not as exciting as some other demonstrations, but this does clearly illustrate the concept of conservation of mass.
