Ehsan Tanhaee

Light, particularly in the form of energy-efficient LEDs, has become a green hero in our daily lives. These bulbs use significantly less energy, helping to reduce our carbon footprint and conserve resources.

In our homes, LED lighting not only brightens our rooms but also lowers our electricity bills, making it a smart choice for daily use. In agriculture, specialized LED systems are transforming the way we grow crops, allowing us to optimize conditions and yield while using less energy and fewer chemicals.

Moreover, LEDs are illuminating the path to a greener future in education by being the lighting choice for sustainable schools and campuses. By teaching our children about energy efficiency and sustainability, we're instilling a green mindset from an early age.

In summary, the green application of LED lighting is brightening our daily lives, helping us save energy, protect the environment, and create a more sustainable future for humanity.

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's scientific contributions Researchgate

Physics helps us understand how things work in the world around us. It has practical applications that can affect our daily lives and expenses. Here are a few examples:

1.Physics helps us find ways to use renewable energy sources like the sun and wind, which can be better for the environment and potentially lower costs. It also guides the design of energy-efficient appliances, such as LED lights and hybrid cars, which can help us save money on electricity and fuel.

2. This is about how things move and the forces that affect them. Understanding mechanics can help us design vehicles that use less fuel, which can save us money at the gas station. It also helps engineers build strong and safe structures, which can impact construction and maintenance costs.

3: This is about how heat, temperature, and energy are related. By understanding thermodynamics, we can design better heating and cooling systems for our homes, which can make them more comfortable and reduce energy costs. It also plays a role in refrigeration technology, which affects food preservation and energy usage.

4: Optics is about how light behaves. It helps in making better cameras, telescopes, and microscopes, which can improve medical imaging and scientific research. It's also used in fiber optics, which enables high-speed internet, potentially lowering communication costs.

By understanding these physics concepts, we can make informed decisions about energy use, technology choices, and resource management. This can potentially lead to lower living costs, increased efficiency, and a more sustainable lifestyle.

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.