Category: Physics

What are the six major psychological theories? The six Grand Theories in Psychology are: Psychoanalysis, Behaviorism, Cognitivism, Ecological, Humanism, and Evolutionary. The theorists of the well-known theories are (Freud, Erickson), (Watson, Skinner), (Piaget, Vygotsky), (Bronfenbrenner), (Rogers, Maslow), (Lorenz). What are the 7 major perspectives in psychology? Here are seven of the major perspectives in modern […]

Is silicone stronger than carbon? Q: Why is carbon better than silicon for life? Carbon bonds tend to be of the same strength, and while silicon forms a very strong and stable first bond, the others are less stable and strong. Why can’t Silicon replace carbon? Although silicon might normally have atoms bonded to each […]

How many bends are allowed in conduit? National Electrical Code or NEC limits the total number of bends in one continuous run to 360 degrees or four 90 degree bends. It specifically states, “There shall not be more than the equivalent of four quarter bends (360 degrees total) between pull points, for example, conduit bodies […]

Why is it important to have cash during a recession? Still, cash remains one of your best investments in a recession. If you need to tap your savings for living expenses, a cash account is your best bet. Stocks tend to suffer in a recession, and you don’t want to have to sell stocks in […]

What is the safest imaging technique? Ultrasound is the safest known medical imaging modality and can be used by nearly every patient with little to no risk. Ultrasound is safe for even unborn fetuses and those who cannot use other modalities. What is a general imaging exam? A type of test that makes detailed pictures […]

Why am I getting frogs in my house? They say that tree frogs like to climb trees and jump or drop onto the roof of a house. The frogs apparently like the warmth of the shingles. Once they’ve warmed up, frogs start looking for a cooler area, and the toilet vent pipe is often the […]

How do I turn off my HVAC? To fully shut off the air conditioner, you must locate the outside circuit to the condenser unit, which is usually close to it and under a flip lid. Open the lid and switch it to “off.” Next, clean off the condenser unit. You may need to wash it […]

Do all things have energy? Everything is energy, and everything is connected to everything else through fi elds. The quantum theory researchers discovered the answer: Not only do particles consist of energy, but so does the space between. This is the so-called zero-point energy. Therefore it is true: Everything consists of energy. Who said everything […]

Can we run out of freshwater? While our planet as a whole may never run out of water, it’s important to remember that clean freshwater is not always available where and when humans need it. In fact, half of the world’s freshwater can be found in only six countries. More than a billion people live […]

Do dense objects sink? Density is a measure of how heavy something is compared to its size. If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float. What do all sinking objects have in common? What do sinking objects […]