Engineering

Have you ever wondered why I-beams are shaped like an “I”? This simple technology forms the foundation of our largest structures and even features in one of the world’s most famous photos. Let’s delve into the structural design of I-beams to understand why they are shaped this way. The Design of I-Beams I-beams are specifically … Read more

If you’ve been on the internet recently, you’ve probably seen the intriguing image of Elon Musk’s latest project – a stainless steel rocket that looks like it came straight out of a sci-fi novel. This unconventional design has caught the attention of many, as it deviates from the typical rockets we are familiar with. So … Read more

Since its inception in 1950, Formula 1 cars have been steadily increasing in speed. Advances in aerodynamics, engine power, and lightweight materials have pushed track times to new lows. However, in 2007, this trend suddenly changed. The cars not only stopped getting faster, but they actually became slower. So what happened, and what has the … Read more

Planes come in various shapes and sizes, each with its own unique wing configuration. We’ve explored the impact of aft-swept and forward-swept wings on aerodynamics, as well as the purpose of winglets. However, one aspect we haven’t delved into is the theory and practice behind wing dihedral angles. So, what is wing dihedral angle? It … Read more

Climate change is an undeniable reality that demands our attention. With carbon dioxide levels at a record high and global temperatures rising, it’s clear that we need to take action. While reducing carbon emissions is crucial, what if we could also reverse the effects of climate change? In this article, we will explore the possibility … Read more

Vienna, the capital of Austria, is home to massive Flack towers that stand as a testament to the city’s World War II history. During the war, these towers were constructed as defensive structures, forming a triangle around the city. With their 2.5-meter thick steel-reinforced concrete walls, they were practically immune to bombing. Unyielding Defense Equipped … Read more

Since its establishment in 1958, NASA has been at the forefront of aeronautics research and has undertaken numerous unconventional experiments in order to advance our understanding of aviation. In its pursuit of groundbreaking innovation, NASA has designed and tested some of the most peculiar aircraft ever built. These planes have pushed the boundaries of our … Read more

Have you ever wondered why plane windows are round? At first glance, it might seem like a simple question, but let’s dive deeper into the reasons behind this particular design choice. The Need to Fly Higher As passenger planes became more popular, the need to fly higher arose. Flying at higher altitudes means less drag, … Read more

Throughout history, technological advancements have been closely tied to the development of new materials. From iron and steel to silicon, each innovation has propelled us further into the future. Today, we delve into the world of carbon fiber reinforced plastics, the next great leap in material science. The Power of Carbon Fiber Carbon fiber, along … Read more

Image: Streaming video has become an integral part of our daily lives. Whether we’re watching on our TVs, computers, or phones, the technology behind delivering high-definition images and rich stereo sound is nothing short of remarkable. In this article, we’ll take a closer look at how streaming works, specifically focusing on Nebula, the streaming service … Read more

The quest for speed has always been a captivating pursuit for engineers and enthusiasts alike. From the groundbreaking achievement of the Thrust SSC in 1997 to the upcoming Bloodhound SSC, these vehicles have pushed the boundaries of land speed records. But achieving such astonishing speeds comes with its own set of challenges, particularly when it … Read more

Have you ever wondered why fighter jets are deliberately designed to be unstable? While instability may seem counterintuitive for safe and controlled flight, it actually plays a crucial role in enhancing maneuverability and combat effectiveness. In this article, we will debunk some misconceptions surrounding unstable fighter aircraft and explore the science behind their design. The … Read more

Have you ever wondered how airports are designed to handle the massive influx of air traffic? With billions of passengers flying each year, it’s crucial to create efficient and safe runways. In this article, we will delve into the mysteries of aviation design and unravel the secrets behind building the perfect airport. The Wind: A … Read more

In January 2023, NASA achieved a groundbreaking milestone by successfully testing a rotating detonation engine. This revolutionary rocket engine, made possible by the latest advancements in material science and computational fluid dynamics, could improve fuel efficiencies of rockets by up to 5%. The significance of this achievement cannot be understated, as a 5% increase in … Read more

Imagine a world without engineers – the unsung heroes behind the scenes who transform ideas into reality. From the structural integrity of historic ships to the innovation that took us to the moon, engineers have shaped our lives in countless ways. They combine art and science to bring wild visions of the future to life, … Read more

On the 19th of June, the Oceangate submersible embarked on a descent to the wreckage of the Titanic in the northwestern Atlantic. However, tragedy struck when the submersible, under immense pressure, imploded and lost contact with the surface. In this article, we will explore the questionable engineering decisions made by Oceangate that led to this … Read more

The Northrop B-2 Spirit, also known as the Stealth Bomber, has left an indelible mark on aviation history. Its iconic design, resembling a sleek flying wing, not only lends it a distinctive look but also renders it virtually invisible to radar and astonishingly fuel-efficient. But have you ever wondered how this incredible aircraft came into … Read more

In times of war, technological advancements have always played a crucial role in shaping the battlefield. One such remarkable innovation is the Javelin anti-tank weapon, which has become an icon of resistance against invading forces. Developed to address the changing nature of warfare, the Javelin is a lightweight and mobile weapon that empowers individual soldiers … Read more

As a space shuttle powers its way through the atmosphere and completes its mission, it’s easy to forget the amazing engineering that makes it all possible. The Space Shuttle Orbiter is more than just a rocket; it’s a mobile laboratory, a home in space, and a tool for completing complex tasks. In this article, we’ll … Read more

The airline industry has undergone a revolution, and it’s all thanks to the engineering marvel that is the Boeing 787 Dreamliner. This $30 billion bet on the future of air travel not only transformed how the airline industry operates but also set a new standard for how future planes will be designed and built. Let’s … Read more

Have you ever wondered if there are remnants of German World War 1 warships floating around in space? It may sound far-fetched, but this intriguing concept has been circulating on the internet for quite some time. In this article, we will delve into this story and explore whether there is any truth to it. The … Read more

If you’re an aviation enthusiast like myself, you know the joy of snagging a window seat during a flight. The thrill of looking out over breathtaking landscapes and iconic landmarks is an experience like no other. And when it comes to window views, the Boeing 787 Dreamliner takes it to a whole new level with … Read more

There’s something exhilarating about watching a live Formula One race. The speed, the roar of the engines, and the adrenaline rush make it a thrilling experience. But Formula One is more than just entertainment. It serves as a testing ground for engineers and drivers, pushing them to think outside the box and come up with … Read more

The Ford Model T is not just an iconic car; it is a symbol of the profound impact Henry Ford had on society. While he did not invent the automobile, he revolutionized the way we design, build, and manufacture complex machinery. His innovations in manufacturing techniques changed the trajectory of billions of people’s careers and … Read more

This article is brought to you by Techal. When we think of ancient Egypt, we envision majestic pyramids rising from the desert sands. These remarkable structures have puzzled historians and archaeologists for centuries. How did an ancient civilization, devoid of modern machinery, manage to build such colossal monuments? Today, we will delve into the mysteries … Read more

Mining has always played a critical role in human progress, fueling industrial growth and technological advancements. However, as we face the challenges of climate change and the urgent need for sustainable solutions, the focus is shifting towards alternative sources of valuable metals. Deep-sea mining is one such alternative that holds great promise. In this article, … Read more

In the quest to explore outer space, scientists and engineers are constantly seeking ways to improve space propulsion technology. One of the most intriguing possibilities is nuclear propulsion, which has the potential to revolutionize space travel and enable humans to reach distant planets like Mars. Let’s delve into the world of nuclear propulsion and explore … Read more

The unveiling of Tesla’s highly anticipated semi-truck by Elon Musk has created quite a buzz in the tech world. While many may wonder what the big deal is about a truck, the implications of creating a battery-powered truck go far beyond just changing the trucking industry. In fact, this innovation could play a significant role … Read more

The SR-71 Blackbird is an engineering marvel that pushes the boundaries of what is possible in aircraft design. Capable of flying at altitudes of 26 kilometers above the Earth’s surface, the Blackbird’s pilots could see the curvature of the planet and the vastness of space from their cockpits. Flying at incredibly high speeds, the engineers … Read more

The mid-20th century was a time of great innovation and technological advancement. One of the most captivating inventions from this era was the Avrocar, a unique aircraft developed by Avro Aircraft Limited. Originally conceived as a solution to the limitations of helicopters, the Avrocar aimed to combine the capabilities of a helicopter and a supersonic … Read more

Have you ever wondered why some aircraft have wings that point forward instead of the conventional backward design? It may seem counterintuitive, but there’s a fascinating history behind this unconventional aerodynamic approach. In this article, we will explore the origins of backwards wings, their purpose, and the challenges they present. The Curious Origins of Backwards … Read more

In November 2018, Dr. He Jiankui shocked the scientific community by announcing the birth of twins who had been genetically modified using CRISPR technology. This experiment crossed a controversial threshold and raised serious ethical concerns. As we delve into the world of genetic engineering, it is important to understand the implications of such experiments and … Read more

As we strive to combat climate change, it is crucial to focus on developing technologies for energy storage on the grid. While solar and wind technologies have matured and become cost-effective, the primary challenge lies in energy storage. This is where pumped hydro, an age-old technology, comes into play. The Power of Pumped Hydro Pumped … Read more

For centuries, humans have gazed into the vastness of space, pondering our place in the universe and seeking answers to life’s biggest questions. But it wasn’t until Galileo pointed his telescope at the moon that we began to truly understand the mysteries of the cosmos. Since then, we’ve made great strides in space exploration, including … Read more

Have you ever imagined a catapult for space launches? Well, the unthinkable took shape over the course of two years in the middle of the New Mexican desert. A mysterious structure emerged, designed to disrupt the norms of the space launch industry – a space catapult. In this exclusive behind-the-scenes documentary by Techal, we dive … Read more

Staring up at the night sky, the vastness of space captivates the human imagination. For millennia, we have marveled at the celestial bodies that populate the universe. From the moon and the sun to the stars that form patterns in the night sky, these cosmic wonders have inspired religions and mythical stories. Over time, advancements … Read more

This article is powered by Techal – your source for all things technology. When we think of D-Day, brave soldiers storming the beaches often come to mind. But behind the scenes, an immense logistical operation was taking place to ensure the success of the invasion. At the heart of this operation were the Mulberry Harbors, … Read more

Have you ever wondered what the biggest machine in the world is? You might be surprised to learn that it’s right in your own home, lining the streets, and powered by gigantic engines across the country. It’s not a massive vehicle or a towering building; it’s the electrical power grid, specifically the US power grid. … Read more

The COVID-19 pandemic has created an urgent need for ventilators worldwide. As hospitals struggle with a shortage of these life-saving machines, engineers and enthusiasts are stepping up to the challenge. In this guide, we will explore the key considerations and design principles behind low-cost ventilators, focusing on the importance of providing effective and safe ventilation … Read more

In the realm of space exploration, we find ourselves on the cusp of a new era filled with limitless possibilities. With the imminent return of humans to the moon after five decades, the excitement surrounding the Space Launch System (SLS) is palpable. However, legitimate questions have been raised about the necessity and cost of the … Read more

Seatbelts have revolutionized car safety, saving over one million lives and becoming one of the most cost-effective public health inventions ever made. These incredible devices can reduce fatalities in car accidents by about half. However, the development and implementation of seatbelts as standard equipment faced significant challenges. In this article, we will explore the ingenious … Read more

From the earliest civilizations to the technology-driven world we live in today, materials have played a pivotal role in shaping human progress. One such material, iron, has had a profound impact on our history. In this article, we will explore the fascinating journey of iron and its influence on human civilization. The Birth of Iron … Read more

Have you ever seen a massive plane effortlessly rise off the ground and balance on columns of air? It’s like something out of a sci-fi movie. This technology, known as Vertical Take-Off and Landing (VTOL), has a rich history in aviation and has captured the imagination of aviation enthusiasts for decades. The Evolution of VTOL … Read more

After spending seven days in orbit around the earth, the Space Shuttle Orbiter faces the most challenging part of its mission – re-entry. This journey involves traveling through the earth’s upper atmosphere at such high speeds that air molecules are ripped apart, creating a layer of superheated plasma around the spacecraft. Re-entry is where the … Read more

The Fairchild Republic A-10 Thunderbolt, affectionately known as “The Hog,” is undeniably one of the most iconic planes in the US Air Force. Designed to take on Soviet tanks attempting to break through Allied lines, the A-10 features a weapon that is nothing short of awe-inspiring – the G8 Avenger. A Monstrous Machine The G8 … Read more

In recent times, there has been much speculation and misinformation circulating about 5G technology. Some even claim that it is responsible for various health issues, ranging from weakening immune systems to controlling minds. While it may seem futile to convince individuals who hold such beliefs, it is crucial to shed light on the truth behind … Read more

In the vast expanse of space, there is an extraordinary project that is set to revolutionize our understanding of the universe. The James Webb Telescope, the brainchild of NASA engineers and scientists, is a marvel of engineering that will give us unprecedented insights into the early universe and shed light on the origins of life … Read more

Have you ever wondered how technology engineers test the capabilities of hypersonic vehicles? Well, the University of Texas in San Antonio has a state-of-the-art hypersonic wind tunnel that allows researchers to simulate and study the aerodynamics of these vehicles. In this article, we will delve into the workings of hypersonic wind tunnels, the challenges of … Read more

The design of everyday objects may seem trivial, but it can greatly impact our daily lives and experiences. One such example is the bag design used by grocery stores like Trader Joe’s and Whole Foods. While it may not immediately come to mind, the design of these bags can be a source of frustration for … Read more

Are you curious about the mysterious patterns on the parachute seen in NASA’s footage of the Mars landing? A sharp-eyed Twitter user has managed to decode the secret message hidden within those patterns. By treating the red and white panels as binary, they unraveled an intriguing code. Let’s dive into the details and uncover the … Read more

The space race between the United States and the Soviet Union during the mid-20th century pushed both nations to explore groundbreaking technologies. The X-15, a remarkable aircraft, played a pivotal role in this pursuit, revolutionizing our understanding of space and paving the way for future space programs like Apollo and the Space Shuttle. Breaking the … Read more

Image: Air travel has come a long way in terms of safety. In 2017, commercial passenger jets experienced zero deaths, marking the safest year in aviation history. This improvement in safety can be attributed to several factors, including advancements in technology and increased awareness of potential risks. Let’s take a closer look at how the … Read more

Working in space is not without its challenges. Astronauts Peggy Whitson and Shane Kimbrough experienced firsthand the potential hazards of microgravity during a spacewalk on the International Space Station (ISS) in 2017. They accidentally dropped a debris shield, which was meant to protect the docking port from extreme temperature changes and orbital debris. This incident … Read more

When it comes to World War II fighter planes, the P-47 Thunderbolt stands out as a true behemoth. With its rugged design and powerful engine, this aircraft pushed the boundaries of what was possible in the skies. In this article, we will explore the incredible features that made the P-47 Thunderbolt the chonkiest fighter plane … Read more

SpaceX has made a significant change in their choice of rocket fuel. Instead of using kerosene or liquid hydrogen, the company has decided to switch to methane. This decision stems from the unique challenges of Mars exploration and the goal of creating a sustainable human settlement on the red planet. The Advantages of Methane Methane … Read more