At what temperature do we start to feel cold?

Most people start to feel cold when the temperature drops below 15°C. Some people might start feeling cold at 25°C, while might not feel cold until the temperature is much lower. 15°C : Cold  Below 10°C : Considerable cold, and some people may start experiencing discomfort.  Below 5°C : Very cold, exposure can lead to hypothermia if precautions … Read more

What is K-12 Education?

12 years of basic education. Countries such as the USA, Australia, Canada, Japan, India, China, Singapore, and Germany are also under this system. The objectives, goals, grades, subjects, curriculum, and enrollment process, to allow for adequate time for concept and skill mastery, develop lifelong learners, prepare graduates for tertiary education, employment, and entrepreneurship. This system … Read more

Math term and explanation is so convoluted and confusing!

Why is it that some math textbooks use convoluted language when they could use simpler language and make it so much easier to learn? Obviously because they want to display their professionalism. And in a discreet way it gives them more credibility and helps their books sell, no matter how much they want to deny. … Read more

What is p>0.05

In statistics, a p-value of 0.05 (or less) is commonly used as a threshold for determining statistical significance. A low p-value means that very low chance of such result. Something must be going on. A large p-value (> 0.05) means that high chance of such result. You accept the null hypothesis. There is nothing here. Is a … Read more

Showing excessive skin and making suggestive pose and facial expresison is a form of sexual harrassment

Do you think it’s okay to be concerned about minors (especially tweens and lower) wearing revealing clothing? Clothing does not cause rape or molestation. You know those “What I was wearing” projects? Posture is often deliberately chosen, yes. However, I would hazard that what they mean is that if you want to show that you … Read more

Emoji

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Why is VAT / GST so popular and used in so many countries?

It’s not because VAT is easy to collect. A straight sales tax is much easier. Income tax for the employed is super easy as employers do it for the government. VAT is difficult as rules go into thousands of pages, inspections are tricky and issues can be difficult to resolve, especially when it comes to … Read more

National Lottery

A lottery (or lotto) is a form of gambling that draws a set of numbers at random for a prize. Some governments outlaw lotteries, while others endorse it to the extent of organizing a national or state lottery. The most common regulations are prohibition of sale to minors and licensing of ticket vendors. In the … Read more