What kind of electromagnetic radiation can be detected by a human body? Infrared radiation is what we like to describe as heat. We can’t see infrared waves, but we can feel them. Your body gives off heat, so it is an emitter of infrared radiation. The range of infrared wavelengths is about sub-millimeters to micrometers […]
How long will an engine run without an alternator?
Do younger people dream more than older people?
Do younger people dream more than older people? I went into this project with the assumption, based on previous studies, that younger people tend to remember more dreams than older people. This dream recall figure drops among people 35-54 years of age (72% for the women, 67% for the men), and among those 55 and […]
What is the purpose of IPv6?
Which color light is best for sleeping?
Which color light is best for sleeping? The researchers found that after 14 days, participants who received light therapy improved their sleep quality and melatonin levels significantly compared to participants not exposed to any light. One 2017 study on mice found that red light at an intensity of 10 lux or higher had the potential […]
How does the use of scientific method reduce bias?
How does the use of scientific method reduce bias? The scientific method attempts to minimize the influence of bias or prejudice in the experimenter. Even the best-intentioned scientists can’t escape bias. It results from personal beliefs, as well as cultural beliefs, which means any human filters information based on his or her own experience. Why […]
What happens when balloon is cooled?
What happens when balloon is cooled? When cooled by liquid nitrogen, the balloon shrinks (not as much as the air-filled balloon) and it sinks down on the table. When heating up, the balloon slowly rises and flies up in the air again. Explanation 1: The volume of the balloon decreases by the low temperature, because […]
What are the most common signs and symptoms of gastrointestinal disorders?
What are the most common signs and symptoms of gastrointestinal disorders? The Most Common Signs & Symptoms of Gastrointestinal Disorders Bloating & Excess Gas. Bloating could be a sign of several GI disorders, like Irritable Bowel Syndrome (IBS), or food intolerance such as Celiac disease. Constipation. Diarrhea. Heartburn. Nausea & Vomiting. Abdominal Pain. What are […]
What are a set of interacting parts that work together?
What are a set of interacting parts that work together? A system is a group of interrelated interacting, or interdependent parts that for a complex whole. A system is a group of interrelated interacting, or interdependent parts that for a complex whole. Are sets of interacting or interdependent components? Systems are sets of interacting or […]
Why do iron filings become magnetized or collected together?
Why do iron filings become magnetized or collected together? Since iron is a ferromagnetic material, a magnetic field induces each particle to become a tiny bar magnet. The south pole of each particle then attracts the north poles of its neighbors, and this process is repeated over a wide area creates chains of filings parallel […]