Do we see with our eyes or brain? Our eyes do a really good job of capturing light from objects around us and transforming that into information used by our brains, but our eyes don’t actually “see” anything. That part is done by our visual cortex. Our eyes being slightly apart creates an image that […]
How do you find maximum velocity?
How do you find maximum velocity? Using Calculus If acceleration is positive to the left and negative to the right, the point is a maximum velocity. In the example, a=3cos(t) is positive just before t=π /2 and negative just after, so it is a maximum; however, 3π/2 is a minimum because a=3cos(t) is negative just […]
How long does it take a star to return to the same position in the sky as it was the night before?
What is the process of an action potential?
What is the process of an action potential? When a nerve impulse (which is how neurons communicate with one another) is sent out from a cell body, the sodium channels in the cell membrane open and the positive sodium cells surge into the cell. Once the cell reaches a certain threshold, an action potential will […]
Is pessimistic a bad word?
Is pessimistic a bad word? So pessimistic people are usually pretty negative. And kind of a bummer to be around. Think of Eeyore, Winnie the Pooh’s perpetually gloomy friend. The word comes to us, not surprisingly, from the Latin pessimus — meaning “worst.” How can you tell if someone’s a pessimist? 15 Subtle But Surefire […]
Can filling out the Fafsa hurt you?
Can filling out the Fafsa hurt you? You never want to assume that you won’t qualify for aid, or that filling out a FAFSA won’t benefit you. Your income could be different, the school’s cost could be different, your student could transfer, and much more. Filling out the FAFSA never hurts, and it’s not a […]
What foods help sunburn?
What foods help sunburn? 6 Sun-Protection Foods to Turn Your Skin Into an Anti-Wrinkle Fortress Blueberries. It just so happens that our favorite summer fruits are also the ones that help protect us during summer, too. Watermelon. Nuts and seeds. Carrots and leafy greens. Green tea. Cauliflower. Is it good to put sunscreen on sunburn? […]
What does a station model show?
What does a station model show? In meteorology, station models are symbolic illustrations showing the weather occurring at a given reporting station. Elements in the plot show the key weather elements, including temperature, dew point, wind, cloud cover, air pressure, pressure tendency, and precipitation. What pressure levels are mandatory to report? When the upper atmosphere […]
How do you write 0.000070 in scientific notation?
Which statement is an electrolyte?
Which statement is an electrolyte? Which statement describes an electrolyte? An electrolyte conducts an electric current as a solid and does not dissolve in water. When an electrolyte dissolves in water, the resulting solution conducts an electric current. Do electrolytes dissolve in water? Substances that dissolve in water to yield ions are called electrolytes. Electrolytes […]