Category: Physics

Is fission or fusion more dangerous? In 2019, National Geographic described nuclear fusion as the “holy grail for the future of nuclear power.” Not only would it produce more energy more safely, it would also produce far less harmful radioactive waste than fission, from which weapons-grade material in spent fuel rods taking millions of years […]

Which functions are continuous and differentiable everywhere? In mathematics, the Weierstrass function is an example of a real-valued function that is continuous everywhere but differentiable nowhere. It is an example of a fractal curve. Is every continuous function is integrable? What we get from this is that every continuous function on a closed interval is […]

How do I know if my tub is cast iron? If you can see the tub from underneath and it looks black it is probably cast iron. If it is more like bright metal it is steel. If you want, remove the overflow cover and popup lever from the head end of the tub and […]

What is the meaning of Spacelike? not comparable What do you mean by Lorentz transformation? In physics, the Lorentz transformations are a six-parameter family of linear transformations from a coordinate frame in spacetime to another frame that moves at a constant velocity relative to the former. The transformations are named after the Dutch physicist Hendrik […]

What does 50% lung capacity mean? Likewise, if your FEV1 is 50%, your lungs are able to handle only half as much air as they should. If your FEV1 is 33%, your lungs are able to handle even less—only a third as much. The lower your FEV1 percentage, the less air your lungs are able […]

What is max current? Ampacity is defined as the maximum current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating. Also described as current-carrying capacity. Electric current flowing through them causes voltage drop and power dissipation, which heats conductors. How do you find the maximum and […]

What is Joule formula? In equation form: work (joules) = force (newtons) x distance (meters), where a joule is the unit of work, as defined in the following paragraph. In symbols: W = F x d. In practical terms, even a small force can do a lot of work if it is exerted over a […]

Which of the following is a technique used to image the relative position of products? Perceptual mapping is a diagrammatic technique used by marketers in an attempt to visually display the perceptions of customers or potential customers. Typically the position of a product, product line, brand, or company is displayed relative to their competition. What […]

Is science absolute or relative? Scientific knowledge by itself is relative; but science can not be satisfied with its relative status, therefore it aspires to absolute, universal, to overcome its relative nature. This aspiration is expressed in extrapolation. Are theories always true? A theory will always remain a theory; a law will always remain a […]

Where do you look for blind spots? Blind spots are the areas to the sides of your car that can’t be seen in your rear mirror or side mirrors- to make sure these spots are clear before changing lanes, you’ll have to physically turn around and look to see what kind of crazy stuff is […]