Category: Lifehacks

Why is the power cycle 25? The Pennsylvania Railroad constructed it between 1915 and 1938. Amtrak inherited the system from Penn Central, the successor to Pennsylvania Railroad, in 1976 along with the Northeast Corridor. This is the reason for using 25 Hz, as opposed to 60 Hz, which is the standard for power transmission in…

What makes a dentist unique? It requires mastery and technique unique to the profession. Dentistry is largely based on maintaining proper oral health, but is also an aesthetically focused practice. A large part of dentistry involves restoring teeth and making a smile beautiful, one that the patient is happy to show to others. What can…

What is equivalent but not equal to? When two things are same in some specific way, but not identical, they are said to be equivalent. Two triangles having same areas are said to be equivalent but not equal if other parameters are not the same. Why are all equivalent sets not equal? Elements need not…

Who said Africa begins at the Pyrenees? In his book, Ripley also proposed the idea that “Africa begins beyond the Pyrenees”, as he wrote in page 272: “Beyond the Pyrenees begins Africa. What did the Romans call the Pyrenees? The Romans called the country Gaul The area Gaul stretched from the River Rhine and the…

Can you get salmonella from runny yolk? For many Americans, sopping up runny yellow egg yolks with toast is a beloved breakfast ritual. Yet raw eggs can contain Salmonella Enteritidis – bacteria that can cause mild to severe gastrointestinal illness, short term or chronic arthritis, or even death. Can you get salmonella from a poached…

What was President Trump accused of for impeachment? The House adopted two articles of impeachment against Trump: abuse of power and obstruction of Congress. The Senate acquitted Trump of these charges on February 5, 2020. Who is responsible for the president’s impeachment trial? the chief justice of the United States In the case of presidential…

What is Utsav Murti? Utsav murti, which means festive idol, is a replica made in metal. This ‘Sinharud’ idol, depicting the Goddess sitting on a lion, is made of copper with silver and brass plates. The plates are moulded on the idol in such a way that it looks as if the idol itself is…

Is there an objective beauty? Beauty is objective, it is not about the experience of the observer. Plato’s conception of “objectivity” is atypical. The world of Forms is “ideal” rather than material; Forms, and beauty, are non-physical ideas for Plato. Yet beauty is objective in that it is not a feature of the observer’s experience….

Why do people cut down trees? Forests are cut down for many reasons, but most of them are related to money or to people’s need to provide for their families. The biggest driver of deforestation is agriculture. Farmers cut forests to provide more room for planting crops or grazing livestock. Why do they cut trees…

Are binaural beats neurofeedback? Emotions and memory are affected by a lack of right rhythm. The point is, we are able to help the brain adjust better by guiding it, or the relevant parts of it, to the right rhythm. Binaural Beats are one way of doing this. Neurofeedback is another. What is the difference…