How do Gas turbines/Jet propulsion engines work ?

Jet engines – Woah… very very powerful ! The power jet engines deliver is so high that an airplane weighing hundreds of tons lifts off the ground with such ease. How are they capable of producing so much of power/thrust ? So lets not waste our time & have a…

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Crawler – The Rocket Transporter !

Crawler transporting Discovery spacecraft to launchpad.

Human being started using animals to carry load when it exceeded his carrying capacity. Then he started building machines to carry even more load & to transport faster. Today huge trucks carry massive amounts of load & the best example is the biggest truck in the world – The BelAZ…

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Differences, Advantages & Disadvantages of 4 stroke & 2 stroke engine

differences, advantages, disadvantages of 4 stroke and 2 stroke engine

Earlier in the Engines section we saw how 4 stroke & 2 stroke engines work ! We might like to give a thought on which is better one OR which has more advantages. So in this article we are going to discuss about the differences, advantages & disadvantages of 4 stroke…

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How does a hovercraft work ?

Human started with just wheels for travelling & transportation purposes at first. Then came bikes, cars & trains which could be driven on land. The next difficulty was to overcome the vast oceans & seas which led to invention of ships. Engineers are still finding ways to make today’s vehicles…

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How & why does a whip make a cracking sound ?

The carriage drivers whipcrack (We will get to this term soon) the whip . So we thought that the whip must be hitting the animal or perhaps must be hitting itself & that might be the reason why we are able to hear the loud sound ! But aa-aa, that’s…

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How does a 2 stroke engine work ?

In my previous article, we learned how 4 stroke engines work ! This time we will learn about the second type of engine i.e 2 stroke engine. The 2 stroke engine is a type of Internal combustion engine where one power cycle is completed with two strokes of the piston…

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How does a 4 stroke engine work ?

Working of 4 stroke engine with animation

ENGINES – the powerhouses, the hearts of vehicles which makes them alive… are finally here ! This is my first article in Engines section. We’ll come across more of them as we progress further. So we are gonna start with one of the most basic engines used in cars &…

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NASA’s next Mars rover mission – 2020

After an overwhelming success of Mars rover mission 2012, NASA’s next nuclear powered Mars rover is planned to launch in 2020. Scientists say that – it is gonna be way more smarter & efficient than Curiosity, which is currently exploring the red planet. Curiosity had an awesome design, heck lot…

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Why are brake lights red ?

Why only red ? Why not blue, orange, purple, pink or any other colour ? In case, if you think that red was the favorite colour of the one who had this idea (humour me) then you’re… WRONG ! Seriously, when the answer hit my mind I realised that –…

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How do elevators or lifts work ?

Seriously, what would have happen if there were no elevators & if people were to walk up &  down a 50 or 100 storey building everyday in cities like NY ! I can’t even imagine the fatigue. Well, keeping our thought aside, let us see how do elevators work ?…

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