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coreprogrammers.com, Flat Number: G-1, A-Block, Mahalaxmi Apartment, Navaratna Complex, Bedla Road, Navaratna Lane, Udaipur (2026)

Educational Page Including Videos, Infographics, Educational pics, Blogs for Class 6th to Post Graduation, professional and all type of technical courses. ,
Official Page :- CoreProgrammers [https://www.facebook.com/coreprogrammers]

12/11/2025

Shout out to my newest followers! Excited to have you onboard!

Shalaka Bhalerao, Gohil Chetan Mankol, Schoolplatform Parvaj, Cambridge Wings School Beenjhpur

08/11/2025

Scientists discover a Greenland shark that’s nearly 400 years old... still swimming since the 1600s!

Deep beneath the icy waters of the North Atlantic, researchers found a female Greenland shark estimated to be almost four centuries old - making her the longest-living vertebrate ever recorded. Experts used radiocarbon dating on her eye lenses to reveal she was likely born around the year 1620, long before cars, electricity, or even the invention of the light bulb existed.

These sharks live slow and quiet lives in freezing waters, growing just about a centimeter per year. Scientists say their slow metabolism and cold environment help them live through multiple human lifetimes. Imagine... this shark has seen the rise of modern science, the invention of flight, space travel, and even the digital age - all while calmly gliding through the deep sea.

It’s a humbling reminder that nature’s timeline is far greater than ours. What would you ask a 400-year-old shark if she could tell her story?

References:
BBC News ... “Greenland shark may live for 400 years, say scientists.”
National Geographic ... “The world’s longest-living vertebrate discovered in the Arctic.”
Science Journal ... “Eye-lens radiocarbon dating reveals extraordinary longevity in Greenland sharks.”
Smithsonian ... “The incredible lifespan of Greenland sharks - nature’s slow-motion survivors.”

15/10/2025

Shout out to my newest followers! Excited to have you onboard!

Suresh Kumar, बालिकाआदर्श विद्या मंदिर तारानगर, Francois Pieterse

26/09/2025

automotives.io coreprogrammers.com studentsbuddy.com fans

**Stroke 1: Intake Stroke**

Illustration:
A high-definition technical illustration showing the cylinder of the steam engine with the intake valve open. The piston is at the top of its stroke, and the cylinder is filled with high-pressure steam from an external boiler. The steam enters the cylinder through the intake valve, and the piston starts to move downward.

**Key components:**

* Cylinder
* Intake valve
* Piston
* High-pressure steam from the external boiler

**Stroke 2: Expansion Stroke**

Illustration:
The intake valve closes, and the piston continues to move downward, driven by the expanding high-pressure steam. The steam pushes the piston down, transferring its energy to the crankshaft, which converts the linear motion into rotational energy. The illustration shows the piston at the bottom of its stroke, with the steam having expanded and done its work.

**Key components:**

* Cylinder
* Piston
* Crankshaft
* Expanded steam

**Stroke 3: Exhaust Stroke**

Illustration:
The piston starts moving upward, pushing the exhausted steam out of the cylinder through the exhaust valve. The exhaust valve opens, allowing the low-pressure steam to escape into a condenser, where it will be cooled and condensed back into water. The illustration shows the piston at the top of its stroke, with the exhaust valve open and the exhausted steam exiting the cylinder.

**Key components:**

* Cylinder
* Piston
* Exhaust valve
* Condenser

**Stroke 4: Compression Stroke**

Illustration:
The exhaust valve closes, and the piston continues to move upward, compressing the remaining steam and any residual gases in the cylinder. The compression stroke prepares the cylinder for the next intake stroke, ensuring that the cylinder is ready to receive a fresh charge of high-pressure steam from the external boiler. The illustration shows the piston at the top of its stroke, with the cylinder sealed and the steam compressed.

**Key components:**

* Cylinder
* Piston
* Compressed steam and residual gases

These four strokes - Intake, Expansion, Exhaust, and Compression - make up the complete cycle of a Steam External Combustion Engine. The high-definition technical illustrations showcase the intricate details of each stroke, highlighting the engine's components and the flow of steam throughout the procesion

22/09/2025

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Flat Number: G-1, A-Block, Mahalaxmi Apartment, Navaratna Complex, Bedla Road, Navaratna Lane
Udaipur
313001

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Monday	10am - 6pm
Tuesday	10am - 6pm
Wednesday	10am - 6pm
Thursday	10am - 6pm
Friday	10am - 6pm
Saturday	10am - 5pm

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