Category: Physics

Who pollutes the most in the world? China Is Lamb worse than beef for the environment? This blog post draws on data and research discussed in our entry on Environmental impacts of food production and CO2 and Greenhouse Gas Emissions. Beef and lamb, in particular, have much higher greenhouse gas emissions than chicken,pork, or plant-based […]

Is it possible to lose 20 kgs in 7 months? When Anshul Jangra was pointed out for her looks from a friend because she was chubbier than them, it sting her and she decided to lose weight and alter the way she looked. She started at 67 kilos and in about just half a year, […]

How many Ptolemies were there? fifteen Ptolemaic Who ruled Egypt after the Romans? The Late Period of Ancient Egyptian history came to an end in 332 BC when Egypt was conquered by the Greeks. The Greeks formed their own dynasty called the Ptolemaic Dynasty that ruled for nearly 300 years until 30 BC. In 30 […]

Which type of reaction releases energy quizlet? Chemical reactions that release energy, usually in the form of heat, are called exothermic reactions. Chemical reactions that absorb energy, usually in the form of heat, are called endothermic reactions. Many types of reactions can be endothermic or exothermic. How is energy released in a chemical reaction quizlet? […]

What is the centripetal force that allows a car to turn? friction What is difference between centripetal force and centrifugal force? Centripetal force is defined as, “the force that is necessary to keep an object moving in a curved path and that is directed inward toward the center of rotation,” while centrifugal force is defined […]

Can you boil water with a tealight candle? This calculation suggests that a tea light should be able to boil 4 or 5 pots of water. However, not all the energy will go nto the hot water and you will have to heat up the pot as well as the water. So I would guess […]

Is 30 minutes of circuit training enough? Your body can definitely feel the metabolic burn within a humble 30 minutes of circuit training. According to Harvard Medical School, you can burn 240 calories in a half-hour of general circuit training if you weigh 125 pounds; 298 calories if you weigh 155 pounds; and 355 calories […]

What are signs of healthy eyes? What Your Eyes Say About Your Health 1 / 8. Sudden Blurry Vision. An abrupt and dramatic loss of vision may be a sign of a problem with the blood flow to your eye or your brain. 2 / 8. Bulging Eyes. 3 / 8. Blurred Vision. 4 / […]

What is 5dBi range? This antenna would typically replace standard 2dBi antennas, which are normally shipped with this class of wireless device, in order to increase the range and/or expand the coverage area. With this 5dBi antenna, theoretically a distance of about 500 meters can be covered. Why gain is measured in dB? In electronics, […]

What is the most heat conductive liquid? Water Why is heat transfer important for thermal fluid design? The key point behind heat transfer fluid technology is the ability to generate high temperatures at low system pressures. Heat transfer fluid technology offers safety, low maintenance, and extending operating lifetimes when compared to traditional technologies such as […]