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How To: Multiply complex numbers

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Represent complex numbers with the Argand Diagram

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Find the complex conjugate of a complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Calculate the modulus and argument of a complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Find the polar form of a complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Use Zotero to create bibliographies & citations

Learn to use Zotero to create bibliographies and citations with this tutorial. In addition, collect and organize information from all sources. So help correct the sources research paper. Before using the excitation features, make sure to select and prepare the style of your paper. If you are not sure ask your instructor. She has a preference style. You will select by clicking on the action button +preference then choose the style. It will include the number of most common style. You can downl...

How To: Do remote viewing and learn how it works

Excerpts from a presentation by Dr. Simeon Hein at the International UFO Congress, 2005. Dr. Hein is the director of the Institute for Resonance in Boulder, Colorado. The Institute is devoted to the study of subtle-energy sciences including remote viewing, crop circles and related subjects. Dr. Hein has a Ph.D. in sociology and has previously taught research methodology and statistic courses. Dr. Hein first learned remote viewing in 1996 and subsequently became involved in crop circle researc...

How To: Document and collect plants

Plants dominate the living landscape around us. Learning about this essential part of ecosystems by collecting and identifying plants should be a part of any life sciences curriculum. Designed to support the Plant Press project at Hila Science Camp, this video discusses collecting and classifying plants and the importance of the classification system developed by Carl Linnaeus.

How To: Recognize the symptoms of food poisoning

Food poisoning, also referred to as food-borne illness, is a gastrointestinal disorder that results from eating contaminated food. . Who is at risk? Anyone can get food poisoning, especially travellers and those who live in tropical climates. Infants, elderly people, and those with serious medical conditions have the greatest risk if they get food poisoning. Pregnant and breastfeeding women also need to be especially careful. Learn about the different causes, symptoms, and treatments of food ...

How To: Help someone who is choking

Choking is the mechanical (either by foreign object or compression) obstruction of outside air flowing into the lungs. Learn about choking, including emergency treatments like CPR, in this medical how-to video. Remaining calm and performing one of the procedures below could help someone who is choking.

How To: Diagnose septic shock symptoms

Septic shock is a serious and often life threatening emergency medical condition in which the blood pressure is extremely low. Insufficient blood therefore reaches the body tissues and this means that not enough oxygen and nutrients are delivered to the body. Medical shock is a serious circulatory condition not to be confused with emotional shock or surprise. Learn more about shock and the symptoms in this medical how-to video.

How To: Treat spider bites

Spider bites can range from harmless to fatal, spiders themselves coming in many varieties. you're bitten by a spider, you should wash that area carefully with soap and water and do this several times per day until the skin is healed. You can also apply an ice pack wrapped in cloth or a cold wet wash cloth to the area that has been bitten. Learn more about spider bites in this medical how-to video.

News: 14 Types of Bacteria & 10 Strains of Fungus Are Responsible for All the Delicious Flavors of Cheese

If you want to appreciate the value of microbes, look no further than a chunk of cheese. Because cheese roughly traces back to the Neolithic Era, we might say the earliest cheesemakers were the first humans to manipulate microbes—without even knowing it. Now, thanks to microbiologists and the long tradition of cheesemaking, we know a lot more about the microbes that make our favorite types of cheese possible.

How To: Stop Drinking Sports Drinks & Start Spitting Them Out Instead

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.

News: Living Bacteria in Clothing Could Detect When You Come in Contact with Pathogens or Dangerous Chemicals

While at work, you notice your gloves changing color, and you know immediately that you've come in contact with dangerous chemicals. Bandages on a patient signal the presence of unseen, drug-resistant microbes. These are ideas that might have once seemed futuristic but are becoming a reality as researchers move forward with technology to use living bacteria in cloth to detect pathogens, pollutants, and particulates that endanger our lives.

News: Hospital Floors May Look Clean, but They're Teeming with Deadly Superbugs—Including MRSA, VRE & C. Diff

Hospitals are places we go to get well, and we don't expect to get sick or sicker there. But a study from researchers at the Cleveland Clinic, Case Western Reserve University School of Medicine, and Cleveland VA Medical Center in Ohio found that hospital floors in patient rooms were frequently contaminated with healthcare-associated pathogens—often dangerous multi-drug resistant bacteria.