Contrary to a common misconception, there are more than 24 standard time zones in the World. This article covers the number of time zones in the World, the US, Canada, Russia, and Australia, how are time zones determined and why there are more than 24 of them presently in use. How many time zones are… Read More
Author Archives: Georgi Georgiev
How Many Time Zones Are There
Posted in Education, Travel
Tagged australia, canada, international time, time, time zones, usa, world clock
August 11, 2025
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The most EXPENSIVE songs to see live this summer
Would you pay $15 just to hear one song live? With concert ticket prices sharply rising by over 45% over the last five years, and many concerts barely cracking the 90-minute mark, concert-goers are faced with having to pay up or miss out. Experts at GigaCalculator delved into the numbers, factoring in ticket prices, stadium… Read More
Mathematics in the Kitchen
Mathematics is not only useful for solving problems and equations, but also for everyday activities such as cooking and baking. In this article, we will explore some of the ways that mathematics can help us in the kitchen, especially with the various unit conversions, measurements, ratio math and other calculations one encounters daily whether cooking… Read More
Posted in Cooking
Tagged conversions, cooking, kitchen, mathematics, recipes
May 8, 2023
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RMR vs BMR for Weight Loss
RMR and BMR, the former abbreviated from Resting Metabolic Rate and the latter from Basal Metabolic Rate, can often be encountered in discussions related to daily caloric requirements, dieting, caloric restrictions and weight loss. Fitness amateurs and professional athletes and their physicians might also use RMR, BMR, or both for weight management. This article will… Read More
Posted in Health, Wellness
Tagged basal metabolic rate, BMR, calories, resting metabolic rate, rmr, tdee, weight loss
March 1, 2023
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TDEE vs BMR in Daily Calorie Needs Calculation
If you set out to lose weight or maintain a target weight as an athlete or fitness or bodybuilding enthusiast, your coach or physician will often tell you that you need to estimate your BMR and TDEE and to set daily calorie intake limits based on the energy requirements calculated from these measures. Hence, it… Read More
Posted in Health, Sports, Wellness
Tagged basal metabolic rate, BMR, diet, diet and exercise, tdee, total daily energy expenditure, weight loss
February 14, 2023
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CAGR vs IRR vs XIRR in Evaluation of Investment Returns
Investment professionals and individual investors often need to estimate the profitability of a given investment opportunity, or to retrospectively assess the results of past endeavors. Typically this is done with the idea of comparing two or more opportunities and deciding which one to choose. All other things being equal, the return of investment is the… Read More
Posted in Finance, Money
Tagged cagr, investing, Investments, irr, net present value, npv, time value of money, xirr
February 6, 2023
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When to Use Mean, Median, or Mode
The mean*, mode and median are the most well-known and widely used arithmetic averages. But what exactly are each used for? While all of them are measures of central tendency in a distribution of values - obtained from different kinds of measurements or observations - the question of when to use mean, median or mode… Read More
Posted in Mathematics
Tagged arithmetic average, arithmetic mean, central tendency, median, mode, statistics
December 13, 2022
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What is a p-value in statistics
This article examines the most common statistic reported in scientific papers and used in applied statistical analyses - the p-value. The article goes through the definition illustrated with examples, discusses its utility, interpretation, and common misinterpretations of observed statistical significance and significance levels. It is structured as follows: p-value definition and meaningWhat does 'p' in… Read More
Posted in Science
Tagged hypothesis, nhst, null hypothesis, p-value, probability, significance level, statistical significance, statistics, type I error
December 9, 2020
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BMI for Women: Does a BMI Calculator for Women Make Sense?
There are multiple BMI calculators out there, including our own online Body Mass Index calculator. Some of them make a distinction between the sexes and produce different results for men and women. Others don't make such a distinction, including those put forth by the most respected health organizations such as the U.S. CDC, NIH, and… Read More
Posted in Health
Tagged BMI, body mass index, calculate body mass, weight loss
March 10, 2020
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How to Punch Harder – Increase Your Punching Power Using Physics
If you are into fighting sports such as boxing, kickboxing, MMA, sanda or even a traditional martial art, you probably want to increase the punching power of your fists. When discussing how to punch harder one can hear contradictory advice for example "speed equals power" and "power is not speed". It seems much of the… Read More
Posted in Science, Sports
Tagged boxing, impact force, kinetic energy, martial arts, mma, physics, punch, punching power
March 8, 2020
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