How is refraction used in medicine? The light refraction can be used in the clinical significance in medicine especially in the optometry, the ophthalmology and the orthoptics, the refraction is also known as the refractometry which is used to determine the eye’s refractive error and the best corrective lenses to be prescribed. What is a […]
Does the US have an official flower?
Does the US have an official flower? In 1986, President Ronald Reagan signed legislation to make the rose the national floral emblem of the United States. In each of the U.S. states, state flowers and trees have also been adopted as symbols by state legislatures. What is the most dangerous animal in Washington DC? Wolves: […]
Which is the most dangerous volcano in the world?
Which is the most dangerous volcano in the world? Vesuvius volcano Where are most volcanoes located? Pacific Ocean Which country has the most active volcano? Indonesia Which state has the most volcanoes? Alaska is home to the largest number of potentially active volcanoes in the U.S., with 141, according to the Alaska Volcano Observatory. While […]
What are the 7 science process skills?
What are the 7 science process skills? Science process skills are the things that scientists do when they study and investigate. Observing, classifying, communicating, measuring, inferring and predicting are among the thinking skills used by scientists, teachers and students when doing science. What are the 7 basic science process skills? Schools (hereafter known as the […]
Is finance easier than physics?
Is finance easier than physics? Math in economics/accounting/finance is much easier than math in physics. As for financial concepts and ideas, try reading some of their textbooks and see whether you can understand them and whether you enjoy reading them. Who earns more a CA or an engineer? The pay scale of a CA is […]
Why again does a cannon recoil when fired?
Why again does a cannon recoil when fired? Conservation of momentum explains why a gun or cannon recoils backwards when it is fired. When a cannon is fired, the cannon ball gains forward momentum and the cannon gains backward momentum. Before the cannon is fired (the ‘event’) the total momentum is zero. This is because […]
Is electricity everywhere in the universe?
Is electricity everywhere in the universe? Electricity everywhere Electricity is everywhere, thanks to the unique structure of our universe. Matter, which is basically everything you see and touch, is made up of tiny units called atoms. Atoms themselves are made up of even tinier parts called protons and neutrons. How fast is electricity in a […]
Why sound waves are called pressure waves?
Why sound waves are called pressure waves? Sound waves can also be thought of as pressure waves. This is because the compressions and rarefactions that move through sound waves have different pressures. The compressions are areas of high pressure while the rarefactions are areas of low pressure. What causes pressure wave? vibrates longitudinally; the longitudinal […]
How fast do bacteria grow?
How fast do bacteria grow? Why it matters: Bacteria are among the fastest reproducing organisms in the world, doubling every 4 to 20 minutes. Can I grow bacteria at home? All you need are some petri dishes, agar, and sterile swabs or an inoculating needle. Agar is a gelatinous medium that provides nutrients and a […]
Is it OK to do strength training every day?
Is it OK to do strength training every day? Every day tasks, like walking, can get easier with improved muscle strength and consistent training. In terms of frequency, the CDC recommends to add strength training to your routine at least two days per week. Make sure you’re working various muscle groups in your body including […]