Every substance requires some energy to change its form. Without energy, it cannot transform from solid to liquid, from liquid to vapor or from vapor to liquid. Sometimes, energy is derived in the form of heat from the atmosphere; at other times, the energy has to be provided by heating. For example, … Read more
With the pace of the world becoming faster, and people getting busier than ever, new ways of making dinner quicker are in-demand nowadays. No wonder pressure cookers are becoming more popular. These powerful pots remarkably reduce cooking durations. Now, you can cook beans, whole grains, and stews on a Monday without waiting … Read more
Prepare an ice-cold juice and add sugar, and you would see sugar crystals at the bottom of the glass. However, this won’t be the same when you make a cup of hot coffee, wherein sugar dissolves remarkably faster. But why? What’s the reason behind sugar breaking down more quickly in hot water … Read more
The Answer: As the world becomes more interconnected, information is shared freely. The internet plays a big part in this, with fountains of knowledge on any subject readily available. One area of scrutiny in recent decades is health, specifically in the area of food and nutrition. People now both desire and achieve … Read more
Most of us probably know “pi” as a word often used in geometry. However, what some people don’t realize is that it is actually the sixteenth letter of the ancient Greek alphabet, and it is pronounced as “pie.” For those who don’t know, the ancient Greek alphabet consists of 24 letters, with … Read more
Apart from Kilogram, Celsius, Liter, Watt, Calorie, etc. there are many other units of measurement unknown to a layperson, mainly because they are not used in our everyday life. Experts have fixed more than 125 clearly defined units. Half a dozen of them are only for measuring the intensity of light, including … Read more
When you travel using a bike or a car, your speed is measured in miles or kilometers per hour. That unit of measurement, however, changes when you get on a ship or an airplane. These two vessels use the term ‘knot’ or nautical miles instead to determine how fast they are traveling. … Read more