Physics and people Ehsan Tanhaee's scientific contributions

Physics is all around us, even in things we use every day without realizing it. Here are some examples of everyday items where physics plays a role:

Clocks: Clocks rely on the physics of pendulums or oscillators to keep time accurately.

Mobile Phones: Physics principles are used in mobile phones for wireless communication and data transmission through  waves.

Eyeglasses: Optics is essential in designing eyeglasses to correct vision problems by manipulating light.

Refrigerators: The cooling process in refrigerators is based on the physics of thermodynamics and heat transfer.

Radios and TVs: These devices work by utilizing the physics of electromagnetic waves to transmit and receive signals for broadcasting.

GPS Navigation: The Global Positioning System (GPS) relies on the physics of satellite communication and precise timing.

Speakers and Headphones: Physics is involved in the conversion of electrical signals into sound waves that we hear through speakers and headphones.

Cameras: Cameras use optics and the physics of light to capture images by focusing light onto a sensor or film.

Musical Instruments: Musical instruments, such as guitars or pianos, rely on the physics of sound waves and vibrations to produce music.

Cars: Physics is involved in the design and operation of cars, including the mechanics of engines, the movement of vehicle bodies, and the physics of friction in tires.

These are just a few examples of how physics is present in everyday items and activities. Understanding the underlying physics can help us appreciate the science behind these objects and how they enhance our lives.

Ehsan Tanhaee: Polariton , physics ,Life,people,Nano

What are Polaritons?

Polaritons are special particles that are formed when light interacts with certain materials.

They are like a mix of light and matter, with properties of both.

Example of Polaritons in Daily Life: Smartphone Display

Have you ever wondered how the screen of your smartphone produces such vibrant and bright colors?

Well, one reason is the presence of polaritons in the display technology used.

How do Polaritons Work in Smartphone Displays?

Material Composition:

Smartphone screens use a special material called organic light-emitting diodes (OLEDs).

These OLEDs are made up of different layers of specific materials.

Light Generation:

When you turn on your smartphone, an electric current is passed through the OLED pixels.

This electric current causes the pixels to emit light.

Interaction with Light:

The light emitted by the OLED pixels interacts with the layers surrounding them.

These layers are designed to trap and enhance the light.

Formation of Polaritons:

When the trapped light interacts with the electrons in the OLED material, polaritons are formed.

Polaritons are special particles that have both properties of light and matter.

Better Display Performance:

The presence of polaritons helps improve the brightness and color accuracy of the smartphone display.

They make the colors on your screen appear more vibrant and lifelike.

Benefits of Polariton-based Displays:

Brighter and more vivid colors: Polaritons enhance the quality of the colors on your smartphone screen.

Energy efficiency: By using polaritons, smartphone displays can be more energy-efficient, which helps save battery life.

Thin and flexible design: Polariton-based OLED screens can be made thin, flexible, and lightweight, allowing for more versatile and durable smartphones.

Polaritons are special particles that form when light interacts with certain materials.

In your everyday life, polaritons play a role in the display technology of your smartphone, making the colors on your screen more vibrant and energy-efficient.

Ehsan Tanhaee: teaching Polariton as a general mass in physics

Polaritons: Shining a Light on the  Relationship Between Light and Matter.

Polaritons are usual particles that form when light interacts with substances. They allow scientists to study how light and matter can come together in some ways.

While polaritons may sound , their study has practical applications that impact our daily lives. Here are a few examples:

Energy-Efficient Lighting: Scientists use polaritons to make LED bulbs. These bulbs produce bright and long-lasting light while using less electricity, helping us reduce energy consumption in our homes and workplaces.

Faster acts in cellephones: Polaritons contribute to the advancement of electronic devices we use every day, such as smartphones and computers. By studying polaritons, scientists can make electronics faster, more powerful, and more efficient, leading to improved devices and faster communication.

Materials: The study of polaritons helps scientists discover and understand new materials with unique properties. These materials can be used in various applications, from renewable energy technologies to medical devices, bringing advancements that improve our lives.

While you may not directly interact with polaritons in your daily life, they are the building blocks for technologies and tools that we commonly use. For :

LED Lights: LED bulbs, which are more energy-efficient and longer-lasting than traditional incandescent bulbs, rely on the principles of polaritons.

Smartphones and Computers: The faster processing speeds and advanced capabilities of our smartphones and computers are made possible in part due to the understanding of polaritons and their impact on electronic devices.

In summary, polaritons are particles that help scientists understand the relationship between light and matter. This understanding leads to advancements in  lightingThese advancements, in turn, impact our lives through everyday tools like LED lights, smartphones, computers, and even renewable energy.

Ehsan Tanhaee: physics teaching for students and Nano science

Physics Teaching for Students and Nanoscience: Discovering the Secrets of the Universe and the Tiny World of Nanotechnology

Physics Teaching for Students: Physics is the study of how things work in our world. When students learn physics, they discover the basic rules that govern everything around us. They learn about motion (like how objects move), forces (like pushes and pulls), energy (how things have power), and electricity (how we use it for various purposes). Through fun experiments and explanations, students explore the fascinating ways physics impacts their everyday lives.

Nanoscience: Nanoscience explores the incredibly small world of tiny particles that are thousands of times smaller than a strand of hair. Scientists use nanotechnology to study and manipulate these tiny particles. This field has amazing applications in many areas, such as medicine, electronics, and energy. It opens up possibilities for creating new materials, improving technology, and finding solutions to important problems we face. Nanoscience shows us how even the tiniest things can have a big impact!

By teaching physics to students and introducing them to nanoscience, we help them understand the world around them and inspire them to explore the wonders of science. They learn about the laws that govern our universe and get a glimpse into the exciting world of nanotechnology. These educational experiences nurture curiosity and can spark an interest in scientific careers and innovation.

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Ehsan Tanhaee : Light, matter, physics and love and brain

Light, matter, physics, love, relationships, and the brain are interconnected in profound ways that shape our understanding of the world and our experiences as human beings.

Light, as both a physical phenomenon and a metaphorical symbol, plays a central role in our lives. Physically, light is a form of electromagnetic radiation that allows us to see and perceive the world around us. It influences our moods, productivity, and overall well-being. Metaphorically, light is often associated with enlightenment, clarity, and understanding, representing the illumination of knowledge and truth.

Matter, on the other hand, encompasses everything that occupies physical space and has mass. It is the building block of our physical existence, from the tiniest particles to the vast cosmic structures. Matter interacts with light, reflecting, absorbing, or transmitting it, shaping our perception of the world and giving rise to the colors, textures, and forms we encounter.

Physics, the scientific discipline that studies the fundamental laws of nature, provides us with a deeper understanding of the interactions between light and matter. It allows us to explain and predict the behavior of light, matter, and their intricate interplay. Physics uncovers the underlying principles behind phenomena like optics, electromagnetism, and quantum mechanics, which form the foundation for our comprehension of light, matter, and their interactions.

Love and relationships, core aspects of the human experience, involve intricate processes in the brain. Love encompasses a range of emotions, connections, and bonds that form between individuals. Neurologically, love activates areas in the brain associated with reward, attachment, and social bonding. The brain releases chemicals like dopamine, oxytocin, and serotonin, contributing to the feelings of happiness, attachment, and overall well-being associated with love and relationships.

The intricate relationship between light, matter, physics, love, relationships, and the brain highlights the interconnectedness of our experiences. It reminds us that our perceptions, emotions, and connections are deeply intertwined with the fundamental laws of the universe. Exploring these intersections allows us to gain a deeper appreciation for the beauty and complexity of our existence and the bonds we form with others.