Natural Sciences

My Journey into Data Science: Discovering the Joy of Visualizing Data By Shahid Ullah Khan Physics Lecturer, PGC D9 Campus These days, I’ve been diving into the world of Data Science —and I must say, it’s been an amazing experience so far. What began as simple curiosity has grown into genuine excitement, especially when it comes to visualizing data . For the first time, I’m really enjoying the process of creating different types of graphs. Whether it’s a basic line chart or a detailed heatmap , each visualization tells a unique story. It feels incredibly rewarding to see raw numbers transform into something insightful and meaningful. I used to think of graphs as just tools for making presentations look good. But now, I understand how powerful they are in uncovering patterns, trends, and relationships that might otherwise go unnoticed. With powerful Python libraries like Matplotlib , Seaborn , and Plotly , the possibilities are both endless—and surprisingly fun! This hands-on ex...

Title: Antihyperhelium-4: A Breakthrough in Antimatter Research By Shahid Ullah Khan – Physics Lecturer, PGC D9 Campus Contact: +92 331 5107369 Email: shahidkhanphy85@gmail.com In the mysterious world of particle physics, scientists are constantly pushing the boundaries of what we know about matter, antimatter, and the universe itself. One of the most remarkable discoveries in recent times is the detection of Antihyperhelium-4 , a rare and exotic form of antimatter, at the world-renowned Large Hadron Collider (LHC) at CERN. What Is Antihyperhelium-4? To understand Antihyperhelium-4, we must first recall what helium-4 is. It is a stable isotope of helium consisting of two protons and two neutrons. Now imagine its mirror image — not in appearance, but in composition. Antihyperhelium-4 is made up of antiprotons , antineutrons , and a strange antiquark , making it not just antimatter, but also a hypernucleus — a nucleus that includes one or more strange quarks. The Role of CERN an...

Title: Scientists Discover a New Four-Body Quantum Particle: The Quadruplon By: Shahid Ullah Khan, Lecturer in Physics, PGC D9 Campus Contact: +92 331 5107369 | shahidkhanphy85@gmail.com What is a Quadruplon? In an exciting leap in quantum physics, scientists have recently discovered a new type of quasiparticle — the Quadruplon — a quantum system composed of four interacting particles. This discovery opens up fresh avenues in understanding the complex world of multi-body interactions in solid-state physics and quantum materials. The Quantum World Beyond Electrons In the realm of quantum materials, the behavior of electrons can often be described not just as individual particles, but as quasiparticles — collective excitations that behave like particles. Common examples include excitons (electron-hole pairs) and triplons (three-body systems). The newly discovered Quadruplon goes a step further: it involves four quantum particles forming a bound or correlated state under s...

Earth's Heartbeat: A Mysterious Pulse Every 26 Seconds By Shahid Ullah Khan Physics Lecturer, PGC D9 Campus Contact: +92 331 5107369 Email: shahidkhanphy85@gmail.com Did you know that Earth has a heartbeat? Scientists have discovered that every 26 seconds, a rhythmic microseismic pulse is emitted from somewhere deep within the ocean. This natural phenomenon, sometimes referred to as Earth's "heartbeat," continues to baffle researchers, as its exact source and cause remain unknown. First detected in the 1960s, this mysterious vibration is not linked to earthquakes or human activities. Instead, it appears as a subtle, consistent signal picked up by seismometers across the globe. Some theories suggest that underwater waves interacting with the ocean floor or pressure changes in certain coastal regions might be responsible. However, no definitive explanation has yet been confirmed. The persistent nature of this pulse reminds us how much there is still to explore an...

Ghostly Plasma: A Hidden Storm Around Earth By Shahid Ullah Khan Physics Lecturer, PGC D9 Campus Contact: +92 331 5107369 Email: shahidkhanphy85@gmail.com When we imagine the space surrounding Earth, we often think of it as a vast, empty void. However, recent discoveries challenge this assumption. A radio telescope has detected a "ghostly plasma" — an invisible storm of charged particles — in the region around our planet that was once thought to be empty. This plasma storm, hidden from human eyes and traditional instruments, reveals that the near-Earth environment is far more dynamic and mysterious than previously believed. Plasma, often referred to as the fourth state of matter, consists of charged ions and free electrons. Although it is typically associated with stars, lightning, and laboratory experiments, finding such a phenomenon so close to Earth is both surprising and exciting. The discovery of this ghostly plasma opens up new avenues for understanding space wea...

Greatest Brilliancy of Venus – A Celestial Spectacle By Shahid Ullah Khan Physics Lecturer, PGC D9 Campus Contact: +92 331 5107369  Email: shahidkhanphy85@gmail.com On April 27, 2025, skywatchers will witness an extraordinary event in the early morning sky — the planet Venus will reach its greatest brilliancy . Shining at a stunning magnitude of -4.7, Venus will be at its brightest, outshining all other celestial objects in the night sky except the Moon. What makes this occasion even more special is that Venus will appear close to the Moon, creating a breathtaking sight just before sunrise. This rare alignment offers both astronomy enthusiasts and casual observers a chance to experience the beauty of our solar system firsthand. Venus, often referred to as the “Morning Star” when it appears before dawn, reflects sunlight with such intensity due to its thick cloud cover composed mainly of sulfuric acid. Its position during this period allows more sunlight to reach us, making it...

Why Does a Photon Have Zero Rest Mass? By Shahid Ullah Khan, Lecturer – PGC D9 Campus Introduction People often struggle with the idea that a photon has no mass. Yet, they’re also aware of Einstein’s iconic equation: E = mc² This equation suggests that every form of energy has an equivalent mass, right? So, since photons clearly carry energy, one might think: Shouldn’t we be able to calculate their mass using m = E/c²? And if photons have mass, then how can they travel at the speed of light, when physics tells us that no object with mass can do so? If you’re tangled in this apparent paradox, it’s a sign you’re on the verge of a deeper understanding — but you’ve got to stay curious and push forward instead of giving in to confusion or debate. This blog is dedicated to exploring and resolving this exact question: Why does a photon have zero rest mass? What Is Mass, Really? We’ve all learned since childhood that mass is the “amount of matter” in an object, and we measure it in ...

Is Jupiter Really Revolving Around the Sun? By Shahid Ullah Khan — Physics Lecturer, PGC D9 Campus When we first learn about the solar system at the primary level, we’re taught a simplified version of reality: the Sun is stationary at the center, and all the planets, including Jupiter, revolve around it. This model helps young minds grasp the basic structure of our solar system. However, as we advance in our education, we begin to uncover the more complex and fascinating truths about space. In secondary school, I learned that the Sun is not actually stationary. It is in motion—spinning on its axis and moving through the Milky Way galaxy. The Sun completes one rotation approximately every four weeks. This movement adds an exciting layer to our understanding of the cosmos. A few years ago, I came across a scientific report that challenged another commonly held idea: that Jupiter revolves around the Sun. The truth is more nuanced. Jupiter and the Sun both revolve around a common cente...

22 April: Earth Day – A Call to Conscience By Shahid Ullah Khan, Lecturer – PGC D9 Campus Every year on 22nd April, we celebrate Earth Day – a day meant to remind us of our responsibility to protect and preserve our planet. But while we dedicate a day to the Earth, our actions throughout the year often tell a different story. We are stripping the Earth of its natural beauty by cutting down trees and converting green fields into concrete jungles. Instead of nurturing life, we are destroying it – dropping bombs on innocent people, kidnapping women and children, and oppressing the poor. In the name of development, we build massive dams, without considering their environmental consequences. Some claim this may even be affecting the Earth’s rotation, although the deeper concern lies in the imbalance we are creating in ecosystems and communities. The powerful often escape the grip of justice, while the voices of the weak are silenced. In some countries, water is diverted away from the fi...

The Motion of Earth Around the Sun: A Scientific Perspective By Shahid Ullah Khan, Lecturer – PGC D9 Campus, Rawalpindi Science has long established that Earth revolves around the Sun at an astonishing speed of approximately 107,000 km/h . This journey takes place along an elliptical orbit , not a perfect circle, with the average distance between Earth and the Sun being about 150 million kilometers . The Orbit and Seasons It takes 365.25 days for Earth to complete one full revolution around the Sun. This orbital motion is responsible for the changing seasons . At the same time, Earth is also rotating on its axis , completing one full spin in 23 hours, 56 minutes, and 4 seconds . This rotation causes the daily cycle of day and night . One important feature of Earth's rotation is its tilted axis , which is inclined at 23.5 degrees . This tilt is a major factor in the variation of seasons, as it changes the angle and intensity of sunlight received in different parts of the world...

  A Celestial Smile: Don't Miss the Smiley Face in the Sky on April 25, 2025! By Shahid Ullah Khan Physics Lecturer, PGC D9 Campus On the morning of April 25, 2025 , the skies will treat stargazers and early risers to a rare and delightful celestial event a “smiley face” formation created by the Moon, Venus, and Saturn! This enchanting cosmic alignment is a beautiful example of what astronomers call a triple conjunction . As the crescent Moon forms the gentle curve of the "smile," the two bright planets  Venus and Saturn  will shine like a pair of twinkling “eyes” above it. What is a Triple Conjunction? A triple conjunction happens when three celestial bodies in this case, the Moon, Venus, and Saturn  appear very close together in the sky from our perspective on Earth. These events are rare and often beautiful, but the smiley face pattern is even more unique and visually striking! When & Where to Look Mark your calendars and set your alarms: Date: ...

The Role of Punjab Group of Colleges in Pakistan’s Educational Landscape Punjab Group of Colleges (PGC) has played a vital role in shaping the educational fabric of Pakistan. Established in 1985 as a single Commerce College in Lahore, PGC has grown into one of the largest and most prestigious educational networks in the country. Interestingly, 1985 also marks my birth year, making me a contemporary of this remarkable institution. Founded by Mian Amer Mehmood, PGC now operates over 456 colleges, 3 universities, and numerous other educational institutions across Pakistan. It stands as a beacon of quality education, producing thousands of graduates every year in various fields such as medical, engineering, commerce, and the sciences. What sets PGC apart is its commitment to providing a top-notch educational environment. Each campus is equipped with spacious, air-conditioned classrooms, state-of-the-art laboratories for Physics, Chemistry, Biology, and Computer Science, as well as well-sto...

 Topic: Hailstorm in Islamabad and Its Reason Yesterday, the weather in Rawalpindi and Islamabad was very beautiful. Around 4 PM, it started raining. My family and I went up to the roof to enjoy the rain. After a few minutes, we came back inside because the weather took a sudden turn for the worse. Heavy rain began, accompanied by strong winds and a thunderstorm. In Islamabad, large hailstones struck the ground and bounced like tennis balls. People’s property was damaged, trees were uprooted, and many cars were broken. The size of the hailstones was almost equal to that of a tennis ball. The question is: why did this phenomenon occur? Was it a sign of doom or a trial from God, or is it the result of our own harmful activities? Many people believe it was a punishment from God, but I think it happened because of our actions. We are cutting down trees, removing fields, and developing housing societies without proper planning. These activities are increasing the effects of global warmi...

Topic: Why Pakistan is Not Considered a Developing Country The reasons why Pakistan is not considered a developing country are: Corruption Lack of Scientific Awareness Every day, billions worth of corruption takes place in Pakistan. This corruption has hollowed out the very foundation of our country. Due to this widespread corruption, almost every institution in Pakistan has been destroyed. In my childhood, I heard a story about a German ambassador who once served in Pakistan. When he returned to Germany, he told his people, “If you want to see the miracle of God, visit Pakistan.” He called Pakistan a miracle because, despite daily corruption, the country still survives. There was a golden era in Pakistan when great minds like Dr. Abdus Salam were serving the nation. In those days, NASA scientists used to visit Pakistan to discuss scientific matters with Dr. Salam. During this golden period, Pakistan became the first Asian country to send a satellite into space in collaboration...