General Knowledge
A broad collection of answers spanning trivia, science, history, and everyday curiosities that defy a single category.
Written by Joel Walsh
Why Is The Refractive Power Of The Lens So Important?
The process of bending light to produce a focused image on the retina is called “refraction”. Ideally, the light is “refracted,” or redirected, in such a manner that the rays are focused into...
What Is Dual Wave Particle Nature Of Light?
In physics and chemistry, wave-particle duality holds that light and matter exhibit properties of both waves and of particles . ... The idea of duality is rooted in a debate over the nature o...
What Temp Should Hot Chocolate Be?
Hot beverages such as tea, hot chocolate, and coffee are frequently served at temperatures between 160 degrees F (71.1 degrees C) and 185 degrees F (85 degrees C) . What is the best temper...
Why Teachers Should Not Accept Late Work?
Allowing late work means changing your mindset while grading. It also means keeping past answer keys handy at any given time – even those that were needed several weeks before. It also means...
What Does Primary Article Mean?
A primary research article reports on an empirical research study conducted by the authors . It is almost always published in a peer-reviewed journal. This type of article: Asks a research qu...
When Was The Mini Blinds Invented?
The mini blinds were first developed in 1794 and were called venetian blinds. These first had lightweight wood slats that were placed horizontally and were adjustable to let in light or shut...
What Was The Contribution Toward Fixed Expenses And Profits?
To make a profit, the price charged for a product or service must cover both fixed and variable costs. Contribution really is shorthand for the term ‘contribution to fixed costs and overheads’....
Which Country Has The Highest Maternal Mortality Rate In The World?
Key Findings: The U.S. has the highest maternal mortality rate among developed countries. Which country has the highest maternal deaths? Rank Country Maternal mortality rati...
What Is Population Growth And Food Supply?
Global population growth means that food production needs to increase by 70% by 2050 , placing pressure on food quality standards. The Food and Agricultural Organization of the United Nations...
What Is The Function Of The Master Cylinder?
The brake master cylinder, also known as the master cylinder, is a hydraulic pump. It feeds brake fluid into the brake circuit to convert the pressure on the brake pedal to the hydraulic pressur...