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Chocolate is not just an art, it's also a science. Discover how chocolatiers use the complex physics of chocolate to create the perfect texture, taste, and appearance. Learn about the six-phase polymorphic crystal structure of chocolate and how chocolatiers manipulate it through tempering. Explore the similarities between chocolate and carbon and how chocolatiers use their knowledge of physics to regulate the spread of flavor in their creations. Join master chocolatier Richard Tango-Lowy and physicist Joshua Erlich on a journey through the fascinating world of chocolate physics.
Can we develop a mechanical method to detect explosives as effectively as bomb-sniffing dogs? Researchers from MIT Lincoln Laboratory are using a mass spectrometer to measure explosive vapors and understand the requirements for creating an operational explosive detection system that could work in tandem with the canine fleet to improve current airport security systems. The team's research is supported by the Department of Homeland Security's Detection Canine Program and the Next-Generation Explosives Trace Detection program. This innovative research could lead to a faster and more streamlined passenger experience and support the development of technology that remains resilient against evolving security threats
Glass is a material that we use every day, but have you ever wondered how it works? Glass is made from silicon dioxide, which is heated until it becomes a flowing liquid. As it cools, the molecules lose energy and become an amorphous solid, allowing light to pass through without being scattered. The subatomic level of glass is what makes it transparent, as the electrons in glass are spaced far enough apart that visible light can't provide enough energy for them to jump between them. This unique property has made glass an essential material for many uses, from windows to lenses. Understanding the science behind glass can help you appreciate the importance of this material in modern civilization.
Are you a fan of s'mores? Do you want to learn the science behind making the perfect gooey treat? In a quest for perfection, a writer turned to physics and thermodynamics to determine the ideal s'more technique. By considering the heat transfer from marshmallow to chocolate, the writer computed the specific heat and latent heat of melting of both ingredients, and conducted experiments to determine the optimal temperature for the marshmallow. The results? A marshmallow heated to 160°F produces the perfect s'more! This delicious experiment shows that science can be fun and tasty too.
Unlock the future of electronics with 2D materials! MIT engineers have developed a revolutionary method to fabricate tiny transistors from 2D materials like transition-metal dichalcogenides (TMDs) that conduct electricity better than silicon. The method allows chip manufacturers to grow these materials on existing silicon wafers, preserving their perfect crystalline form. Get ready to catch up to Moore's Law with next-generation electronic devices!
The future of resource extraction lies in space exploration. Asteroids, leftovers from the formation of the planet 4.5 billion years ago, contain rare and precious materials such as platinum, iron, and nickel. The mining industry on Earth is harmful to the environment and people, but space mining could provide a clean and sustainable alternative. Cheaper space travel is necessary to make asteroid mining profitable, and scientists and economists are working on solutions such as electric spaceships. Once a stable asteroid is secured, space mining and processing equipment can extract valuable materials through a process that uses giant mirrors to focus sunlight and heat up asteroid rock. Even a small percentage of a single asteroid's mass in precious metals could be worth billions of dollars. The benefits of space exploration and asteroid mining are vast, and the possibilities for discovery and innovation are endless.
Teflon, a material that doesn't stick to anything, was stumbled upon accidentally in 1938 by a chemist named Roy Plunkett. Teflon's properties make it perfect for things that need to be slippery, chemical-resistant, or waterproof, which means it has a lot of applications. It can be found all over the place, from raincoats to industrial ball bearings to artificial joints. The incredible properties of PTFE, the chemical name for Teflon, come from its molecular structure. It's a polymer, meaning it's made of long chains of repeating units of atoms strung together. PTFE has tight carbon-fluorine bonds that ignore the normal, intermolecular forces that help substances stick to each other. Even the famously adhesive feet of geckos usually can't get a grip on it. Learning about the properties of materials like Teflon can inspire independent exploration of science and engineering, which can lead to exciting career opportunities in fields like materials science and chemical engineering.
The periodic table may seem like just another table of information, but it is so much more. It is a tool that scientists use to understand the world around us. By organizing all the chemical elements in order by atomic number, the periodic table creates a recurring pattern of properties called the periodic law. This allows us to predict the behavior of elements we haven't even discovered yet! Through the history of the periodic table, we can see how scientific discoveries and technological advancements build upon one another. Learning about the periodic table not only expands your scientific knowledge but also helps you develop analytical and critical thinking skills. By exploring this fascinating topic, you may even be inspired to pursue a career in science and help advance our understanding of the world.
Have you ever heard of the field of nanotechnology? It's a rapidly growing and exciting field that is revolutionizing the way we live, work, and play. Nanotechnology is the study and manipulation of materials on a molecular or atomic scale, and it has the potential to transform everything from medicine to electronics. Imagine creating tiny robots that can swim through your bloodstream and target cancer cells, or developing ultra-light and ultra-strong materials for airplanes and cars. These are just a few examples of the amazing possibilities that nanotechnology offers. As a nanotechnologist, you would work with these tiny materials to create new products and technologies. You might design and develop new materials, work on improving existing ones, or create entirely new devices and systems. You could work in a variety of fields, from medicine to electronics to energy. Typical duties in nanotechnology might include conducting experiments, analyzing data, designing and building prototypes, and collaborating with other scientists and engineers. There are also many areas of specialization within nanotechnology, such as nanoelectronics, nanobiotechnology, and nanomaterials. To get started in this field, you'll need a strong background in science and engineering. Many nanotechnologists have degrees in materials science, chemistry, physics, or electrical engineering. Some popular undergraduate programs and majors include nanotechnology engineering, materials science and engineering, and chemical engineering. In addition to technical skills, there are certain personal attributes that can be helpful in this field. These might include a strong attention to detail, excellent problem-solving skills, and a creative and innovative mindset. The job prospects for nanotechnologists are excellent, with many exciting opportunities available in both the public and private sectors. Some notable employers in this field include IBM, Intel, and Samsung, as well as government agencies such as NASA and the National Institutes of Health. So if you're looking for a career that is both challenging and rewarding, consider exploring the field of nanotechnology. Who knows what amazing discoveries and inventions you might be a part of in the future!
MIT physicists have observed a resonance in colliding ultracold molecules for the first time, shedding light on the mysterious forces that drive molecules to chemically react. The team found that a cloud of super-cooled sodium-lithium (NaLi) molecules disappeared 100 times faster than normal when exposed to a very specific magnetic field, indicating that the magnetic field tuned the particles into a resonance, driving them to react more quickly than they normally would. These findings suggest that scientists could one day harness particles’ natural resonances to steer and control certain chemical reactions.
Are you interested in using your creativity and problem-solving skills to make a positive impact on the world? Then a career in chemical engineering might be right up your alley! Chemical engineering is a field that combines knowledge of chemistry, physics, and mathematics to design and develop new products and processes. As a chemical engineer, you could work in a variety of industries, including pharmaceuticals, energy, food and beverage, and more. For example, you might work on developing new medicines to treat diseases, or on designing more efficient and sustainable ways to produce energy. One exciting aspect of chemical engineering is the potential for innovation and discovery. For example, chemical engineers have been instrumental in developing new materials like graphene, which has the potential to revolutionize industries from electronics to transportation. In terms of day-to-day duties, chemical engineers might be involved in everything from designing experiments and analyzing data to overseeing production processes and troubleshooting problems that arise. There are also many areas of specialization within the field, such as materials science, process design, and environmental engineering. To become a chemical engineer, you'll typically need to earn a bachelor's degree in chemical engineering or a related field. Some popular undergraduate programs include the chemical engineering programs at MIT, UC Berkeley, and the University of Texas at Austin. In addition to technical knowledge, there are a few personal attributes that can be helpful in a career in chemical engineering. These include strong problem-solving skills, attention to detail, and the ability to communicate complex ideas clearly and effectively. As for job prospects, chemical engineering is a field with plenty of opportunities for growth and advancement. Some notable employers include companies like Procter & Gamble, ExxonMobil, and DuPont, as well as government agencies like the Environmental Protection Agency and the Department of Energy. In conclusion, if you're interested in using your scientific knowledge to make a difference in the world, a career in chemical engineering might be the perfect fit for you. With plenty of opportunities for innovation and growth, this field offers the chance to make a real impact on society and the environment. So why not explore this exciting career path today?
Have you ever wondered how touchscreens work? The answer is more fascinating than you might think. Touchscreens use capacitance or resistance to detect touch, but how does this work exactly? Conductive materials allow electrons to flow around atoms, forming an electric current that is used to complete the circuit. Capacitive touchscreens are generally easier to use because they interact directly with your finger, while resistive touchscreens require force to detect touch. When you touch a screen, your finger acts like a third electrical line, interacting with the existing electric field, which induces a weak electric current that travels through your finger and back into the phone. Understanding how touchscreens work is not only intellectually interesting, but it also has practical applications. Knowing how to troubleshoot touchscreen issues or how certain objects can activate the screen can come in handy. So next time you use your phone, think about the technology behind it and the wonders of conductivity and capacitance.
Unlock the secrets of microscopic processes with microrobots! Researchers at the University of Pennsylvania and University of Ljubljana are using physical intelligence to manipulate colloidal fluids of nematic liquid crystals with magnetically controlled microrobots. This groundbreaking work, published in Advanced Functional Materials, lays the foundation for understanding small-scale interactions and has exciting potential applications in the optical device industry and beyond.
Discover the fascinating story of how a broken soda fountain led to the creation of ICEE, the science behind its slushy texture, and the complex chemistry of its flavor syrup. Explore the avalanche-like physics of how ICEE solidifies and the Joules-Thomson effect that makes it puff up. Learn about the inventor, Omar Knedlik, and how his entrepreneurial spirit led to the mass production of his invention, eventually renamed Slurpee by 7-Eleven.
Are you fascinated by cars and how they work? Do you dream of designing the next generation of vehicles that will take the world by storm? If so, then Automotive Engineering might be the perfect field of study for you! Automotive Engineering is an exciting and dynamic field that combines elements of mechanical, electrical, and materials engineering to create the vehicles of tomorrow. From designing engines and transmissions to improving fuel efficiency and safety features, Automotive Engineering covers a wide range of fascinating topics that will keep you engaged and inspired throughout your studies. One of the most interesting aspects of Automotive Engineering is the constant innovation and research that is taking place in the field. From developing new materials that are stronger and more lightweight to improving hybrid and electric vehicle technology, there is always something new and exciting happening in the world of Automotive Engineering. Some of the most well-known figures in the field include Ferdinand Porsche, who designed the iconic Porsche 911, and Elon Musk, who is leading the charge in developing electric and autonomous vehicles through his company Tesla. At the undergraduate level, students can expect to study a range of modules that cover topics such as vehicle dynamics, engine design, and materials science. There are also opportunities for further specialisation in areas such as aerodynamics, alternative fuels, and vehicle safety. After graduation, there are a wide range of potential career paths available to Automotive Engineering graduates, including roles in vehicle design, research and development, and manufacturing. Some of the most notable employers in the field include Ford, General Motors, and BMW, as well as government agencies such as NASA and the Department of Defense. To succeed in Automotive Engineering, students should have a strong foundation in math, physics, and chemistry, as well as an interest in mechanical and electrical systems. They should also possess strong problem-solving skills and be able to work well in a team environment. So if you're ready to take your love of cars to the next level, consider studying Automotive Engineering and be a part of shaping the future of transportation!
MIT researchers have developed a 3D-printed miniature vacuum pump that could revolutionize the use of portable mass spectrometers. The pump is inexpensive, lightweight, and can operate at a low cost, making it ideal for use in remote locations or even in space. The unique design prevents fluid or gas from leaking while minimizing heat from friction during the pumping process, increasing the lifetime of the device. This breakthrough could lead to the monitoring of soil contamination in isolated parts of the world or geological survey equipment bound for Mars.
Have you ever wondered what lies beyond the pages of a closed book? Imagine being able to see the words on the pages without ever opening the cover. This is the exciting concept behind the technology developed by a group at MIT. Using terahertz waves, they can now read through closed books and uncover the hidden information inside. To do this, they had to overcome a series of challenges including the need for a radiation source that can penetrate the paper, the ability to distinguish between different pages, and the recognition of characters that are partially hidden. Learning about these academic concepts not only expands your knowledge of science and technology but also opens up new possibilities for studying antique documents and other important materials. Take the first step towards exploring the unseen world and discover the thrill of uncovering hidden information.
Self-heating convenience food has been around for decades, but have you ever wondered how it works? This exciting field of food science combines chemistry, physics, and engineering to create meals that heat themselves. Let's take a closer look at the science behind these on-the-go meals. First, let's explore the technology behind self-heating food. The packaging for self-heating meals is made up of several layers, including a water pouch, a heating element, and an insulating layer. When the pouch is squeezed, it releases water, which then comes into contact with the heating element, creating a chemical reaction that generates heat. This chemical reaction is based on the principle of exothermic reactions, which release energy in the form of heat. The heating element in self-heating food typically contains a mixture of calcium oxide and water, which react to create calcium hydroxide and heat. This reaction is often catalyzed by a small amount of sodium chloride. But how does this chemical reaction actually heat up the food? The heat generated by the reaction is transferred to the surrounding water, which then heats up the food in the container. The insulating layer of the packaging helps to keep the heat trapped inside the container, ensuring that the food stays hot for several minutes. Innovation in self-heating food technology has come a long way since the first self-heating meals were introduced in the 1960s. Today, companies like Hot-Can and OMEALS have developed sophisticated self-heating meal kits that include a variety of menu options, from pasta dishes to breakfast sandwiches. Leading academics in the field of self-heating food technology include Dr. Gregory Ziegler, a professor of food science at Penn State University, who has studied the properties of different materials used in self-heating packaging. With so many fascinating aspects to explore, the science of self-heating convenience food is an excellent topic for students looking to independently explore academic topics through reading, reflection, writing, and self-directed projects.
Are you fascinated by the world of science and engineering? Do you enjoy exploring the properties of different materials and their potential applications? If so, then studying Materials Science at university undergraduate level might just be the perfect fit for you! Materials Science is an interdisciplinary field that combines the principles of physics, chemistry, and engineering to investigate the properties of different materials and develop new materials with specific properties. This field of study is essential in the development of new technologies, from the creation of lighter and stronger materials for aerospace applications to the development of new medical implants that can better integrate with the human body. One of the most exciting aspects of Materials Science is the wide range of research and innovation that is taking place in this field. From the development of new materials for energy storage and conversion to the creation of biomaterials for use in tissue engineering, there is no shortage of fascinating research topics to explore. At the undergraduate level, Materials Science majors can expect to take a variety of modules that cover topics such as materials characterization, materials processing, and materials design. Students will also have the opportunity to specialize in areas such as nanomaterials, biomaterials, and electronic materials, among others. With a degree in Materials Science, graduates can look forward to a range of exciting career opportunities. Some of the key industries for prospective future employment include aerospace, automotive, electronics, and healthcare. Notable employers in these industries include companies such as Boeing, Tesla, Intel, and Johnson & Johnson, among many others. To succeed in this field of study, students should possess a strong foundation in mathematics and physics, as well as a keen interest in materials science and engineering. Additionally, strong problem-solving skills, attention to detail, and a passion for innovation are all essential attributes for success in this field. So, if you're looking for a challenging and rewarding field of study that combines the principles of science and engineering with real-world applications, then look no further than Materials Science!
In our modern world, we are surrounded by electronic devices, from smartphones to laptops and beyond. But have you ever wondered about the foundation of these devices? Enter the silicon wafer, the building block of modern electronics. In this write-up, we'll explore the fascinating world of silicon wafers, from their origins to their use in modern technology. Silicon wafers are thin, circular slices of silicon that are used to create microchips, the tiny electronic components that power our devices. These wafers are made by growing a crystal of silicon and then slicing it into thin wafers. This process is known as "wafer fabrication," and it is a complex process that requires precision and expertise. One of the key figures in the development of silicon wafers is Gordon Moore, the co-founder of Intel. In 1965, Moore proposed what is now known as "Moore's Law," which states that the number of transistors that can fit on a microchip will double every 18-24 months. This law has held true for over 50 years and has been a driving force behind the incredible progress in electronics technology. Another influential figure is Andrew Grove, the former CEO of Intel. Grove was instrumental in making Intel a leader in the semiconductor industry, and he was a strong advocate for the importance of research and development in the field. Silicon wafers are used in a vast array of electronic devices, from smartphones and laptops to cars and even spacecraft. In fact, NASA's Mars rovers are powered by microchips built using silicon wafers. Without silicon wafers, our modern world as we know it would not be possible. Silicon wafers may seem like a small, insignificant component, but they are the foundation of the modern electronics industry. Learning about the origins and applications of silicon wafers can inspire students to explore the exciting world of electronics technology and pursue their interests in science and engineering.
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