This video shows how to use optimization methods in calculus. Optimization means finding the maximum or minimum values of a quantity or finding when the maximum or minimum occurs.What quantities are optimized in economics?we want to minimize costs or maximize revenue.First steps in any optimization problem1.Identify the quantity to be optimized i.e., read the problem exactly what is exactly maximized or minimized.2.Identified the feasible domain. This is important because the math we can opti...
You need to realize that you can waste a lot of time thinking about a crush when you could be saying "hey, let's go out, let's go study, etc." You don't want to play it safe and find out 20 years later that someone had a crush on you and you didn't do anything about it. Don't worry about being rejected. If you have a crush you should ask him or her out today and get it over with. You will either be rejected or not. Either way, you will know what he or she is thinking.
In this video, you will learn a plethora of tricks and glitches in a multiplayer map called High-rise in Call of Duty: Modern Warfare 2. Learn how to access vantage points such as the crane visible on the side of the map, or learn even more obscure pathways to places you probably never thought you'd reach. This video provides an excellent visual guide to dominate the High-rise map. Don't waste your time dying in the middle of the map or sitting in the spots everyone knows about--study this vi...
In this video the tutor shows how to read a tree diagram. He shows an example of a tree diagram and says that tree diagram represents the choices made by a student in a cafeteria by ordering different kinds of foods and the chain in which the they are ordered. Now every combination that a student can choose at their lunch is mapped out in the form of a tree diagram. Now any choice a real student takes at the cafeteria can be mapped out to the tree diagram through the different branches. Now t...
In this three-part video tutorial, a HTML/CSS expert shows how to build a web page from scratch with a case study example. He begins with a basic text web page and advances up through graphics, CSS, and more.
Dogmantics dog trainer Emily Larlham shows us some exercises that should be repeated once a day in the first sixteen days of your dogs life to create a super puppy!
Don't just drink your milk... have fun with it! Check out this science experiment video to see how to curdle milk with a battery and salt. This experiment can be done by anyone with a few simple materials... milk, a 9-volt battery, a small glass or plastic cup, salt and a stirring rod.
Studying to be a nurse? Then follow along with this nursing how-to video to learn how to start an IV on a live person. Starting an IV is an important and common part of a being a nurse. Follow along with this video to learn the proper technique and procedure for starting an IV line. Before starting, always make sure to double check your the doctors orders and have your materials handy.
Studying to be a pediatric nurse? Then here is a nursing how-to video that teaches you how to take a three year old child's vital signs. Every nurse should know the basics of this technique, follow along and see how easy it is to distract a child and read their vital sings. Accurately taking their temperature and heart rate is an important aspect of nursing. These medical tips are sure to help you pass your nursing exam with flying colors.
Studying to be a nurse? Then here is a nursing how-to video that teaches you how to apply sequential TEDS. TEDS are used to prevent deep vein thrombosis. TEDS are sometimes also called stockings. Every nurse should know the basics of this technique, follow along and see how easy it is to apply sequential TEDS on patient who is on extended bed rest. These medical tips are sure to help you pass your nursing exam with flying colors.
Studying to be a nurse? Then here is a nursing how-to video that teaches you how to remove a femoral arterial/venous sheath. Every nurse should know the basics of this technique, follow along and see how easy it is to remove the arterial sheath from the femoral artery. These medical tips are sure to help you pass your nursing exam with flying colors.
Studying to be a nurse? Then here is a nursing how-to video that teaches you how to convert chest bulbs into bulb suction. Every nurse should know the basics of this technique, follow along and see how easy it is to convert chest tubes to bulb suction. These medical tips are sure to help you pass your nursing exam with flying colors. This demonstration is that of a patient who is second day post-op. Always make sure you avoid getting air bubbles into any of the tubes while converting.
Check out this dance tutorial video that demonstrates how to do a chest circle in belly dance. The chest circle of belly dancing is an important move to study. Learn to belly dance for fitness or art in this belly dancing video.
Check out this conning how-to video of the classic water bottle cheat sheet. As an homage to some of our favorite tricks, here's an old one that has been around for ages but some of you may not be aware of. In this video we show you how to utilize modern technology to always have your notes in plain view. We will do this by taking a common object that no one will think twice about and altering it to fit our needs. Watch this video tutorial and learn how easy it is to con your teachers into th...
Halloween may be finished, but the augmented reality chills are not over yet for some people. Arachnophobes are bravely facing their fears by cozying up to augmented reality spiders for a university study.
Not content to merely assist surgeons via the HoloLens, Medivis has expanded its augmented reality suite to Magic Leap One with an app for medical students.
Most people are familiar with the decline of honeybee colonies around the world. Among other threats, Colony Collapse Disorder (CCD) is eroding the capability of honeybees to maintain their hives and provide their services to human farmers.
Respiratory Syncytial Virus (RSV) is the most commonly occurring lower respiratory tract viral infection in young children and usually isn't serious, but in premature infants and babies under six months old, the infection can be severe, and even fatal.
Demand for Tesla's driverless features as well as its ultra-long battery ranges and a reputation for offering the best-in-class electric car driving experience helped Tesla see a 32% surge in its value as a brand, topping out at $5.9 billion in the BrandZ Top 100 Most Valuable Global Brands study, released June 5.
Mitochondria are known as the powerhouses of our cells because they generate energy to power them. But they also play a key role in the death of cells when they're damaged, infected, stressed, no longer needed, or at the end of their life.
Apple is notoriously private when it comes to perspective products, but the latest leak from their De Anza office in Cupertino suggests that a new augmented reality device could be coming to a store near you.
Onshore, or on a boat, have you ever wondered what swims below in the dark water? Using standard equipment and a new process, marine scientists can now get a good look at what is swimming by—just by analyzing the water.
Having a Clostridium difficile infection means stomach pains, diarrhea, fever, and loss of appetite, and if the symptoms weren't bad enough, the disease often reoccurs. Now, new research has found an increased risk of recurrence in people who take medication to treat their stomach acid, gastroesophageal reflux disease, peptic ulcer disease, or stomach discomfort.
Augmented reality seems to be the talk of the town lately, with everything from glasses to furniture stores prepping to implement exciting, new AR technology. Well now, it looks like even our food is getting a makeover for the augmented reality future.
Overweight kids often become overweight adults. New research suggests a couple reasons why and suggested that there may be ways to intercept that fate.
Somewhere around 600–800 million people in the world are infected with whipworm (Trichuris trichiura), an infection they got from ingesting soil or water contaminated with feces of infected animals or people containing the parasite's eggs.
Some studies have shown that vitamin D supplements help fight respiratory infections, but some haven't. A new study published in The BMJ clarified the confusion, and identified a group of people that might be better able to fight off colds and flu with vitamin D supplements.
Jostled in the airport, someone is coughing in line. The air looks empty but it is loaded with microbes that make their way into your body. You get sick. You give it to your family, and that's pretty much it. But what if you were so contagious that you spread it to your entire community and beyond?
No one can dispute the evolutionary success of bugs. The oldest insect fossils were found encased in crystallized mineral silica in Scotland in 1926, and they're between 396 and 407 million years old.
Editor's Note: The research described in the article below has been criticized and any conclusions based off this research should be examined with a skeptical eye. The article has been edited to reflect these issues.
From day to day, it can be difficult to remember everything that's required of you. I tend to forget exactly where it is I'm supposed to be during my busiest moments, and it's even easier to delete each day's events out of your brain when there's so much else that dominates your mind. Yet taking the time to remember exactly what it is that happens during each of our days can be a vital part of our memory—and with nothing more than 15 minutes, we can strengthen our brains and remember more tha...
Whether you're a serious, sweating athlete or just need to recover after a night of drinking, chances are you've replenished your body's fluids with a sports drink at some point. Those electrolytes aren't the only thing entering your systems, though. Sports drinks are sugary, sweet, and loaded with calories—but there's a way you can still recharge your body without ingesting the unhealthy additives.
Are you a follower or a leader? No matter how you respond, we all know that leader is a more desirable position to hold. Great leaders typically share a few qualities—confidence, intelligence, and strength, to name a few—but one of the most intriguing is their appearance. With the right facial structure, and some well-rehearsed expressions, you can trick others into thinking you're leader material.
No one wants to appear stupid. Whether you rely on lengthy, complicated vocabulary to show your smarts, or enjoy highlighting your speedy mental math skills, everyone prefers emphasizing intelligence over hiding it.
Though many students spend four years of high school learning a foreign language, most of us probably retained very little. Chalk it up to the carelessness of youth, but chances are you've since been in situations or places that left you wishing you paid more attention in class or had continued practicing long after you graduated.
We tend to assume that eating is mostly a physical act, but the mind has so much to do with the choices we make.
Think eating food is as easy as putting it in your mouth? It's considerably more complicated than that. Your brain plays a big role in determining what and how you eat. Understanding how your brain interprets food choices is key to managing your eating habits.
Tequila is a hard liquor that's often been misunderstood. Produced from the agave plant, this aged spirit has complex flavors that bloom the longer it's aged and can rival the finest scotch.
An open bottle of wine can be dangerous. You intend to enjoy—nay, savor—a single glass, but then two episodes of Top Chef later, that sucker is empty. Now you have to go to work the next day with a wine hangover. What happened? Turns out there are some unconscious reasons you might be chugging more wine than you wanted. Never fear. Along with clenching your fists to make better food choices, there are some tricks you can use to moderate your wine intake. Researchers at Cornell University disc...
I have an embarrassing habit: I type with six fingers. Just as your grandma pecks at the keyboard with her two index fingers, I rely solely on my index, middle, and thumb fingers only. But it's not as slow as you think, and I'm not the only one out there that does it.
