Why does it feel like the earth is shaking?

Why does it feel like the earth is shaking? Internal vibrations are thought to stem from the same causes as tremors. The shaking may simply be too subtle to see. Nervous system conditions such as Parkinson’s disease, multiple sclerosis (MS), and essential tremor can all cause these tremors. Sometimes, anxiety can cause or worsen the […]

Do astronomers use reflecting or refracting telescopes?

Do astronomers use reflecting or refracting telescopes? A refractor uses lenses within a tube to refract (bend) light. It’s the type of long telescope which you might imagine old-time astronomers, like Galileo, using. Reflectors, on the other hand, use mirrors instead of lenses to reflect light. Most modern observatories use reflectors because their telescopes are […]

What are some weak personality traits?

What are some weak personality traits? 11 Bad Personality Traits Costing You Business Low emotional intelligence. Chronic sarcasm. Inflexibility. Not following through. Impatience. Being a control freak. Lacking empathy. Being closed-minded. What’s a bad trait? Examples of Negative Personality Traits Being rigid and selfish, unyielding to the needs of others are not endearing qualities. Being […]

What does an alpha level of .05 mean?

What does an alpha level of .05 mean? What Is the Significance Level (Alpha)? The significance level, also denoted as alpha or α, is the probability of rejecting the null hypothesis when it is true. For example, a significance level of 0.05 indicates a 5% risk of concluding that a difference exists when there is […]

Do positive and negative charges cancel?

Do positive and negative charges cancel? In Gauss’s Law for electric fields it’s the net flux that matters and an equal amount of positive and negative charge will cancel. In everyday life pretty much everything appears to lack any kind of charge despite being made up largely by particles that do have charge. How can […]

What is the function of non striated muscle tissue?

What is the function of non striated muscle tissue? Smooth Muscle Tissue is also known as non-striated muscle or involuntary muscles controlled by the Autonomous Nervous System. Functions of non-striated muscle: It stimulates the contractility of the digestive, urinary, reproductive systems, blood vessels, and airways. What is the main function of striated muscle? Striated muscles […]

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