what happens when an aircraft travels more than the speed of sound ?

Does everything remain normal ? I guess NO. Fighter jets are specially designed for that – powerful weapons, missiles & high speed. So here we will talk about what happens when an aircraft travels more than the speed of sound or breaks the sound barrier ! Mach number :- In…

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Amazing Archimedean screw !

The name itself gives us an idea that it is invented by Archimedes. Now this man – Archimedes, was an Ancient Greek mathematician, engineer, inventor, physicist, & an astronomer(such a smartass). We are living in 21st century & still we are not able to think stuff like this on our…

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Why does a spinning ball follows a curve path during flight ?

Most of the time you must have noticed this while watching a football match that a spinning ball follows a curve path during flight ! So why does this happen ? Lets find out… Bernoulli’s principle :- For an inviscid(non viscous) flow of a non-conducting fluid, an increase in the…

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How does a submarine work ?

What is submarine & why do we need it ? Imagine you are on-board a ship & what would be the worst thing that would happen to you ? – the water flooding inside the ship making it sink to the seabed…damn…! So we need something which ensures either it doesn’t sink OR even…

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How can a Formula 1 race car could be driven upside down ?

Woah… this shit is real ! Let’s see how is this possible. Ever wondered what is that blade type thing at the back of sports car ? Well, it isn’t just for show. NFS gamers- now is the time to brag that you know, they are called SPOILERS ! AERODYNAMICS…

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NASA’s raging RS-25 engine passes it’s sixth test!

NASA has performed a nearly 9 minute long test of the engine called RS-25 which will be used for next generation mega-rockets which will take the astronauts to Mars & other deep space missions. The agency successfully tested an RS-25 engine at Stennis Space Center in Mississippi. A total of four RS-25…

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How do ships float ?

Thinking or wanna walk on water ? – really bad idea. Why cant we walk on water ? Why does not everything float ? Why doesn’t a stone or any other thing float even if they are are very small ? & HOW DO SHIPS FLOAT BEING SO HEAVY ? I bet…

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Pythagorean Cup – The clever mischievous cup !

The first thing which comes into my mind – A must do prank ! 😛 A Pythagorean Cup OR a Greedy Cup is a form  of a drinking cup which forces its user to consume less alcohol. It allows the user to fill the cup with wine, alcohol or any other liquid…

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NASA’s new robotic vision – Windbots !

Engineers at JPL (Jet Propulsion Laboratory) are working on a new class of robotic probe designed to stay aloft for a long time without wings or hot-air balloons in atmospheres of giant planets. There is no shortage of something different, challenging & cool things at NASA & we know that very well.…

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How Rocket Engines cooling system work ?

Our heavenly Internal Combustion Engines used in cars & bikes can be cooled by air & water or coolant circulating around it. But what about rocket engines ? How rocket engines cooling system works ? The engines of rocket heat up upto 6000°C. At this temperature the metals would become…

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