Science/Engineering

What is a light-year? How much is 1 light-year in kilometers?

The distances between stars and galaxies are measured in light-years. Units like kilometers and miles are not practical when it comes to measuring vast distances in the universe. So what is a light-year? How much is a light-year in kilometers and miles? Let’s learn. What is a light-year? Contrary to what the name suggests, a […]

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What are four stroke engines? | working, strokes, 2-stroke vs 4-stroke, etc

Four-stroke engines are IC Engines that take 4 strokes to complete one cycle of power generation. These type of engines are the primary choice engines in vehicles and equipments nowadays. In this article, we will discuss the working of a four-stroke engine in detail. We will also discuss the difference between four-stroke engines and two-stroke

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What are two-stroke engines? | Two-stoke engine vs four-stroke engine

Two stroke engines are IC engines that take two strokes of the piston to complete one cycle of power generation. A few decades ago, the majority of vehicles and equipment had 2 stroke engines. Now, their place is taken by 4-stroke engines. 4-stroke engines have become popular because they have lower emissions and they provide

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What is the difference between Petrol and Diesel engine?

Petrol (gasoline) and diesel are the two primary fuels used in engines nowadays. Although both these fuels are derived from crude oil, their properties differ a lot. The engines working on Petrol (gasoline) have a different design and ignition system as compared to engines working on Diesel. In this article, we will discuss the major

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What is evaporation? | Evaporation vs boiling | factors affecting evaporation

Evaporation is the natural process of vaporization of a liquid because of increased temperature or pressure. Evaporation occurs from the surface of a liquid when the molecules absorb sufficient energy to overcome the vapor pressure and escape as gas. In this article, we will discuss the factors affecting evaporation and the differences between evaporation and

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What are renewable resources? What is the best renewable resource?

The energy resources which can be used an endless number of times are known as renewable energy resources. Solar energy, wind energy, hydroelectric energy, and geothermal energy are some examples of renewable resources. Renewable energy is generally carbon neutral (or produces low emissions) and is sustainable hence, becomes very important in the current times of

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