We measure things in a variety of ways. Early civilizations developed systems of weights and measurements based on what was available to them. Over time, standardization of measurements has become important as the global economy has evolved. The most classic example is the metric system. There are only three countries in the world that don’t… Read More
Science Articles
What are the Advantages of the Metric System vs the Imperial System?
Also posted in Education, History, Mathematics, Travel
Tagged construction, height, measurements, science, travel
October 17, 2022
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Well Water vs. Tap Water
Many of us don't drink enough water, but proper hydration plays a role in healthy digestion, joint lubrication, nutritional absorption, and regulating body temperature. It can even make skin and hair look younger and healthier. Many people wonder about the benefits of well water vs. tap water and which is better, particularly those who are… Read More
Also posted in Health, Home & Garden
Tagged water filtration, water intake, water safety
June 13, 2022
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What Dog Breeds Have Blue Eyes?
There are some dog breeds that come to mind when we think of dogs breeds with blue eyes, such as huskies and shepherds. But, what about other blue-eyed dog breeds? And, why are some dog breeds more likely to have this recessive trait than others? Let's find out. What Dog Breeds Have Blue Eyes? The… Read More
What Weighs Five Pounds?
Humans have been weighing objects for centuries. The earliest scales that have been found have dated back to 2000 BC. What humans were weighing centuries ago is not much different than what we weigh today: crops, animals, and golds and other metals are still commonly weighed. But, whether you have a scale or not, knowing… Read More
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 meaning What does 'p'… 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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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
Also posted in Sports
Tagged boxing, impact force, kinetic energy, martial arts, mma, physics, punch, punching power
March 8, 2020
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What is the Average Speed of Different Modes of Transportation?
We live in a time with an incredible number of options when it comes to transportation. Traveling today isn’t just about where you want to go but how you feel like getting there. Most likely, part of your decision making is going to involve looking at how fast each of these different modes of transportation… Read More
Also posted in Lifestyle, Travel
Tagged average speed, cars, planes, trains, transportation
September 5, 2019
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What is the Impact Force on Different Objects?
All around us, different invisible forces are coming together to control our natural environment. For example, gravitational force is the attraction between objects with mass, and it’s what keeps us on the ground instead of floating out to space. Then, there’s electromagnetism, which is when an electric current produces a magnetic field, and it's what… Read More
Posted in Science
Tagged collision force, how to calculate impact force, impact force, kinetic energy, physics
August 8, 2019
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Why Do We Use the Scientific Notation?
Working with numbers that are 1 through 10 is fairly straightforward, but what about a number like 7,489,509,093? Or, how about .00024638? If a number is particularly large or small, it can be much easier to work with when it’s written in scientific notation. Scientific notation, sometimes also called "standard form," follows the form “m… Read More
Also posted in Mathematics
Tagged engineering, number conversion, scientific notation
April 24, 2019
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