explain about National Science Day

National Science Day is an annual event celebrated in India on February 28th to commemorate the discovery of the Raman effect by Indian physicist Sir C.V. Raman in 1928. The Raman effect is a phenomenon in physics where a beam of light changes its wavelength when it passes through a medium.

The celebration of National Science Day aims to promote scientific temper and encourage scientific innovations and research in India. The day is marked with various events, seminars, workshops, and exhibitions across the country to showcase the achievements and advancements in science and technology.

The National Council for Science and Technology Communication (NCSTC) coordinates the celebration of National Science Day in India. The NCSTC promotes and popularizes science and technology through various programs and initiatives.

Each year, National Science Day is celebrated with a specific theme related to science and technology. The theme for National Science Day 2021 was “Future of STI: Impacts on Education, Skills and Work.” The theme for National Science Day 2022 has not yet been announced.

National Science Day serves as an opportunity for students, researchers, and scientists to come together to promote scientific knowledge and innovation in India. It also serves as a reminder of the contributions made by Indian scientists to the field of science and technology.

how to make stelites

Designing and building a satellite is a complex and specialized process that typically requires a team of engineers, scientists, and technicians with expertise in various fields, such as electronics, propulsion, and materials science. Here are some general steps involved in building a satellite:

  1. Define the mission: The first step in building a satellite is to define the mission and the requirements for the satellite, such as the orbit it will operate in, the instruments or equipment it will carry, and the expected lifetime of the satellite.
  2. Design the satellite: Once the mission requirements are defined, the team will begin designing the satellite, including the structure, power systems, communications systems, and any scientific instruments or payloads.
  3. Build the components: The individual components of the satellite, such as the solar panels, batteries, and electronics, are then built and tested to ensure they meet the mission requirements.
  4. Assemble the satellite: The components are then assembled into the final satellite, and the satellite is tested to ensure it can withstand the launch and the harsh environment of space.
  5. Launch the satellite: Once the satellite is complete, it is launched into space using a rocket or other launch vehicle. The launch can be a complex and risky process, so it is carefully planned and monitored to ensure the safety of the satellite and the launch vehicle.
  6. Operate the satellite: Once in orbit, the satellite is operated from the ground using a network of ground stations and communication systems. The satellite’s instruments and systems are tested and calibrated, and data is collected and transmitted back to Earth.

Overall, building a satellite is a complex and expensive process that requires specialized knowledge and expertise. It is typically undertaken by national space agencies, such as NASA or the European Space Agency, or by private companies that specialize in space technology.

how satellites works

Satellites are artificial objects that orbit the Earth and are designed to perform a variety of functions, including communication, observation, and navigation. They work by following the principles of physics, specifically gravity and inertia.

Satellites are launched into space by rockets, and once they reach a certain altitude, they enter into a stable orbit around the Earth. The altitude and speed of the satellite are carefully chosen to ensure that it remains in orbit and does not fall back to Earth or fly off into space.

Once in orbit, a satellite can communicate with ground-based stations or other satellites using radio waves. The satellite has an antenna that can send and receive signals, which are then transmitted back to Earth. These signals can be used for a variety of purposes, including television broadcasting, phone calls, and internet connectivity.

Satellites can also be used for observation, such as for weather forecasting or environmental monitoring. They can carry specialized instruments, such as cameras or sensors, that can gather data and transmit it back to Earth. This data can be used for scientific research or to help with disaster response efforts.

Finally, satellites can be used for navigation, such as with the Global Positioning System (GPS). GPS works by using a network of satellites in orbit to provide accurate location and timing information to receivers on the ground.

Overall, satellites are an important technological tool that allow us to communicate, observe, and navigate on a global scale.

how satellites works

Satellites are artificial objects that orbit the Earth and are designed to perform a variety of functions, including communication, observation, and navigation. They work by following the principles of physics, specifically gravity and inertia.

Satellites are launched into space by rockets, and once they reach a certain altitude, they enter into a stable orbit around the Earth. The altitude and speed of the satellite are carefully chosen to ensure that it remains in orbit and does not fall back to Earth or fly off into space.

Once in orbit, a satellite can communicate with ground-based stations or other satellites using radio waves. The satellite has an antenna that can send and receive signals, which are then transmitted back to Earth. These signals can be used for a variety of purposes, including television broadcasting, phone calls, and internet connectivity.

Satellites can also be used for observation, such as for weather forecasting or environmental monitoring. They can carry specialized instruments, such as cameras or sensors, that can gather data and transmit it back to Earth. This data can be used for scientific research or to help with disaster response efforts.

Finally, satellites can be used for navigation, such as with the Global Positioning System (GPS). GPS works by using a network of satellites in orbit to provide accurate location and timing information to receivers on the ground.

Overall, satellites are an important technological tool that allow us to communicate, observe, and navigate on a global scale.

top gainers

I’m sorry, but I need more context to provide an accurate answer. Top gainers could refer to a variety of things such as:

  • Stock market: In the stock market, “top gainers” typically refer to stocks or companies that have experienced the largest percentage increase in their stock prices over a certain period of time. This information can be found on financial news websites or trading platforms.
  • Sports: In sports, “top gainers” could refer to players who have made significant improvements in their performance, statistics, or rankings.
  • Health and fitness: In health and fitness, “top gainers” could refer to individuals who have made significant progress in their physical fitness, such as gaining muscle mass or improving their endurance.
  • Social media: In social media, “top gainers” could refer to accounts or profiles that have experienced the largest increase in their followers or engagement.

If you could provide me with more information about what you are referring to, I would be happy to provide a more specific answer.

most expensive gaming pc

As of my knowledge cutoff date of September 2021, the most expensive gaming PC was the Acer Predator Orion 9000.

Here are the specifications and estimated price of the Acer Predator Orion 9000:

  • CPU: Intel Core i9-10980XE Extreme Edition Processor
  • GPU: Dual NVIDIA GeForce RTX 3090
  • RAM: 128GB DDR4
  • Storage: 2TB NVMe SSD + 8TB HDD
  • Price: Approximately $13,000 USD

Please note that prices for high-end gaming PCs can vary depending on the configuration, availability, and market fluctuations. It’s possible that there are now even more expensive gaming PCs available on the market.

The ultimate gaming weapon you need by your sideThe ultimate gaming weapon you need by your side

Shop Lenovo 

Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/16GB/512GB SSD/Windows 11/NVIDIA GeForce RTX 3060 12GB GDDR6/WiFi 5/Bluetooth 5.0/Raven Black), 90RW00GCIN

Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/16GB/512GB SSD/Windows 11/NVIDIA GeForce RTX 3060 12GB GDDR6/WiFi 5/Bluetooth 5.0/Raven Black), 90RW00GCINLenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/16GB/512GB SSD/Window…

4.2 out of 5 stars.137

Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/8GB/512GB SSD/Windows 11/NVIDIA GeForce GTX 1660 Super 6GB GDDR6 Graphics/WiFi 5/Bluetooth 5.0/USB Keyboard & Mouse/Raven Black), 90RW005DIN

Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/8GB/512GB SSD/Windows 11/NVIDIA GeForce GTX 1660 Super 6GB GDDR6 Graphics/WiFi 5/Bluetooth 5.0/USB Keyboard & Mouse/Raven Black), 90RW005DINLenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/8GB/512GB SSD/Windows…

4.1 out of 5 stars.27

Sponsored

RESULTS

Sponsored Ad - Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/8GB/512GB SSD/Windows 11/NVIDIA GeForce GTX 1660 Supe...

Sponsored 

Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/8GB/512GB SSD/Windows 11/NVIDIA GeForce GTX 1660 Super 6GB GDDR6 Graphics/WiFi 5/Bluetooth 5.0/USB Keyboard & Mouse/Raven Black), 90RW005DIN

4.14.1 out of 5 stars (27)

₹79,990₹79,990 ₹93,690₹93,690 (15% off)

Save extra with No Cost EMISave extra with No Cost EMI

 Get it by Saturday, February 18

FREE Delivery by Amazon

Sponsored Ad - Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/16GB/512GB SSD/Windows 11/NVIDIA GeForce RTX 3060 12G...

Sponsored 

Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/16GB/512GB SSD/Windows 11/NVIDIA GeForce RTX 3060 12GB GDDR6/WiFi 5/Bluetooth 5.0/Raven Black), 90RW00GCIN

4.24.2 out of 5 stars (137)

₹97,990₹97,990 ₹1,22,390₹1,22,390 (20% off)

Save extra with No Cost EMISave extra with No Cost EMI

 Get it by Saturday, February 18

FREE Delivery by Amazon

Kuro Gaming PC RGB - Intel 12th Gen i9 (Alder Lake - 16C/20T), 32GB DDR4 RAM, 1TB SSD, GeForce RTX 3070 8GB Graphics, WiFi...

Kuro Gaming PC RGB – Intel 12th Gen i9 (Alder Lake – 16C/20T), 32GB DDR4 RAM, 1TB SSD, GeForce RTX 3070 8GB Graphics, WiFi Ready, Win 11 Pro, Liquid Cooled (Snow White)

4.04.0 out of 5 stars (1)

₹2,09,950₹2,09,950 ₹3,55,500₹3,55,500 (41% off)

 Get it by Saturday, February 18

RBM Gaming PC Intel CORE I9-12900K 16GB RAM 512GB SSD+2TB HDD RTX 3090 24GB GGRAPHICS

RBM Gaming PC Intel CORE I9-12900K 16GB RAM 512GB SSD+2TB HDD RTX 3090 24GB GGRAPHICS

2.12.1 out of 5 stars (2)

₹2,89,000₹2,89,000 ₹3,89,000₹3,89,000 (26% off)

Get it by Saturday, February 18

FREE Delivery by Amazon

Only 2 left in stock.

Electrobot X-Force Gaming Series PC - Intel Core i9 12900K, Z690 Chipset, RTX 3080 10GB GDDR6, 32GB (16GBx2) DDR5 Gaming R...

Electrobot X-Force Gaming Series PC – Intel Core i9 12900K, Z690 Chipset, RTX 3080 10GB GDDR6, 32GB (16GBx2) DDR5 Gaming Ram, 1TB Gen4 Nvme SSD, 2TB HDD, 360mm Liquid Cooler with ARGB Case

₹2,24,999₹2,24,999 ₹3,30,000₹3,30,000 (32% off)

 Get it by Monday, February 20

FREE Delivery by Amazon

Electrobot Ultra Gaming Tower PC - Intel 11th Gen i7 11700K, B560 Chipset, RTX 3060 12GB, 16GB (8GBx2) RAM,512GB Nvme SSD,...

Electrobot Ultra Gaming Tower PC – Intel 11th Gen i7 11700K, B560 Chipset, RTX 3060 12GB, 16GB (8GBx2) RAM,512GB Nvme SSD, 360mm Liquid Cooler

3.33.3 out of 5 stars (12)

₹1,08,999₹1,08,999 ₹1,80,000₹1,80,000 (39% off)

Save extra with No Cost EMISave extra with No Cost EMI

 Get it by Monday, February 20

FREE Delivery by Amazon

CHIST Gaming PC (Intel Core i7-6700 Processor /Windows/ 256GB SSD /1TB Hard Disk/GT 730 4GB DDR5 Graphic Card /20 LED Moni...

CHIST Gaming PC (Intel Core i7-6700 Processor /Windows/ 256GB SSD /1TB Hard Disk/GT 730 4GB DDR5 Graphic Card /20 LED Monitor/Gaming Keyboard Mouse/Wi-Fi adoptor/Speakers Free Gifted)

3.23.2 out of 5 stars (39)

₹37,000₹37,000 ₹72,000₹72,000 (49% off)

 Get it by Sunday, February 19

FREE Delivery by Amazon

Electrobot Gaming Tower PC AMD Radeon Graphics Windows AMD Ryzen 5 5600G/ 16GB 8x2 DDR4 Ram/ B550 Chipset Motherboard/ 1TB...

Electrobot Gaming Tower PC AMD Radeon Graphics Windows AMD Ryzen 5 5600G/ 16GB 8×2 DDR4 Ram/ B550 Chipset Motherboard/ 1TB HDD/ 250GB SSD/ 600 Watt PSU (Black)

5.05.0 out of 5 stars (2)

₹46,999₹46,999 ₹90,200₹90,200 (48% off)

 Get it by Monday, February 20

FREE Delivery by Amazon

Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/16GB/512GB SSD/Windows 11/NVIDIA GeForce RTX 3060 12GB GDDR6/WiFi 5/...

Lenovo IdeaCentre Gaming 5 Desktop (AMD Ryzen 5 5600G/16GB/512GB SSD/Windows 11/NVIDIA GeForce RTX 3060 12GB GDDR6/WiFi 5/Bluetooth 5.0/Raven Black), 90RW00GCIN

4.24.2 out of 5 stars (137)

₹97,990₹97,990 ₹1,22,390₹1,22,390 (20% off)

Save extra with No Cost EMISave extra with No Cost EMI

 Get it by Saturday, February 18

FREE Delivery by Amazon

BROZZO Gaming PC Core i7-4350 3.0GHz 16GB Ram GT 730 4GB DDR5 Graphic Card 500GB & 240GB SSD

BROZZO Gaming PC Core i7-4350 3.0GHz 16GB Ram GT 730 4GB DDR5 Graphic Card 500GB & 240GB SSD

₹29,999₹29,999 ₹49,999₹49,999 (40% off)

Get it by Monday, February 20

The best gaming PCs in 2023

As an AI language model, I don’t have access to current market trends, but I can give you a general overview of what to look for in a high-end gaming PC in 2023.

  1. Processor: The processor is the brain of the computer, so you need a powerful CPU for smooth gaming. In 2023, the top processors for gaming will likely be the Intel Core i9 or i7 series and AMD Ryzen 9 or 7 series.
  2. Graphics Card: The graphics card is another essential component for gaming. In 2023, the top graphics cards for gaming will likely be the NVIDIA GeForce RTX 40 series or the AMD Radeon RX 8000 series.
  3. RAM: You need enough RAM to keep up with the high demands of modern games. In 2023, 16GB or 32GB of DDR5 RAM will be standard for high-end gaming PCs.
  4. Storage: You’ll want a fast solid-state drive (SSD) to store your games and load them quickly. In 2023, PCIe 5.0 SSDs will likely be standard for high-end gaming PCs.
  5. Cooling: High-performance components generate a lot of heat, so a good cooling system is essential. In 2023, liquid cooling systems will likely become even more popular for high-end gaming PCs.
  6. Peripherals: A high-quality gaming PC deserves a good gaming monitor, keyboard, and mouse. Look for a high refresh rate monitor, a mechanical keyboard, and a precise gaming mouse.

Of course, the best gaming PC for you depends on your personal preferences and budget. Be sure to do your research and compare different options before making a purchase.

top 10 most successful businesses to start

Determining the most successful businesses to start can be difficult, as success can depend on a variety of factors such as market trends, location, competition, and many other factors. However, here are 10 business ideas that have shown significant success in recent years:

  1. E-commerce: Online stores have become increasingly popular, with more consumers turning to online shopping to buy products. Starting an e-commerce business can be a lucrative venture if you find the right niche and target audience.
  2. Food and beverage: The food and beverage industry is a consistently successful business idea. This includes restaurants, food trucks, catering businesses, and more.
  3. Health and wellness: With a growing interest in health and wellness, businesses such as gyms, fitness studios, and wellness spas have shown a lot of success.
  4. Digital marketing: As businesses look to improve their online presence, digital marketing services such as social media management, SEO, and content creation are in high demand.
  5. Real estate: Investing in real estate can be a successful business idea, especially in areas with high property values and consistent demand for housing.
  6. Personal services: Services such as personal training, coaching, and consulting have shown significant success in recent years as people seek guidance and expertise in their personal lives and careers.
  7. Pet care: Pet ownership continues to rise, creating opportunities for businesses such as pet grooming, boarding, and dog walking services.
  8. Home services: Home maintenance and improvement services such as cleaning, landscaping, and home repair have shown consistent success in recent years.
  9. Education and tutoring: As education becomes increasingly important, businesses that offer tutoring, online courses, and other educational services are in high demand.
  10. Tech startups: Innovative tech startups have shown significant success in recent years, especially those that focus on emerging technologies such as artificial intelligence, blockchain, and virtual reality.

These are just a few examples of successful business ideas, and there are many other opportunities available. When choosing a business idea, it’s important to consider your own skills, resources, and interests, and to do thorough research on the market and competition.

best business ideas

The best business ideas can depend on a variety of factors, including your interests, skills, and resources. Here are some ideas that have been successful for many entrepreneurs:

  1. E-commerce store: Starting an e-commerce store can be a great way to sell products online and reach customers worldwide. You can sell physical products, digital products, or a combination of both.
  2. Online education: The online education industry has been growing rapidly in recent years. You can create and sell online courses, tutorials, or educational content.
  3. Freelance services: If you have a particular skill, such as writing, graphic design, or programming, you can offer your services as a freelancer. Many businesses and individuals are looking for talented freelancers to complete specific projects.
  4. Home cleaning services: Home cleaning services are always in demand, especially in urban areas. You can start a cleaning business and hire employees or work as a solo cleaner.
  5. Food truck or catering business: If you have a passion for cooking and want to start a food-related business, a food truck or catering business can be a great option.
  6. Social media marketing agency: With the rise of social media, many businesses are looking for experts who can help them with their social media marketing. If you have experience in this field, you can start your own social media marketing agency.
  7. Personal training or fitness coaching: If you are passionate about fitness and enjoy helping others achieve their goals, you can start a personal training or fitness coaching business.

These are just a few examples of successful business ideas. When choosing a business idea, it’s important to consider your own skills, resources, and interests, and do thorough research on the market and competition.

best gaming computers

There are many great gaming computers on the market, but here are some of the best gaming computers available:

  1. Alienware Aurora R12: The Alienware Aurora R12 is a powerful gaming desktop that features a 10th Gen Intel Core processor and up to an NVIDIA GeForce RTX 3080 graphics card. It also features up to 128GB of DDR4 memory and up to 4TB of storage.
  2. ASUS ROG Strix GA15: The ASUS ROG Strix GA15 is a powerful and affordable gaming desktop that features an AMD Ryzen processor and up to an NVIDIA GeForce RTX 3070 graphics card. It also features up to 32GB of DDR4 memory and up to a 1TB NVMe SSD.
  3. HP Omen 30L: The HP Omen 30L is a powerful gaming desktop that features up to a 10th Gen Intel Core i9 processor and up to an NVIDIA GeForce RTX 3090 graphics card. It also features up to 64GB of DDR4 memory and up to a 2TB SSD.
  4. CyberPowerPC Gamer Supreme Liquid Cool Gaming PC: The CyberPowerPC Gamer Supreme is a powerful gaming desktop that features an Intel Core i9 processor and up to an NVIDIA GeForce RTX 3080 graphics card. It also features up to 32GB of DDR4 memory and up to a 1TB NVMe SSD.
  5. MSI Trident 3 10th: The MSI Trident 3 10th is a compact and powerful gaming desktop that features a 10th Gen Intel Core processor and up to an NVIDIA GeForce RTX 2070 graphics card. It also features up to 32GB of DDR4 memory and up to a 1TB NVMe SSD.

These are just a few examples of some of the best gaming computers available. When choosing a gaming computer, it’s important to consider your specific needs, such as your budget, the games you want to play, and the level of performance you require.