Science

World economy is expecting a slow down due to the spread of COVID-19 in around 115 countries. WHO has recently termed the COVID-19 pandemic and US has termed it as emergency situation. As a result of the virus spread global economy is facing serious situations like: Travel and trade have been severely affected in the … Read more

Antibiotic resistance is accelerated by the misuse and overuse of antibiotics, as well as poor infection prevention and control. Steps can be taken at all levels of society to reduce the impact and limit the spread of resistance. To prevent and control the spread of antibiotic resistance, individuals can: Only use antibiotics when prescribed by … Read more

Popular uses of polycarbonate can include aircraft parts, data storage devices, dome lights, eye protection, multiwall sheets, electronic components and more. Due to polycarbonates ability to withstand extreme temperatures for prolonged periods of time, it is often used in components for various industries, including: Aircrafts and Aerospace Components Greenhouses and Agriculture Industrial Lighting Electronic Components … Read more

Radio Transmission Its frequency is between 10 kHz to 1GHz. It is simple to install and has high attenuation. These waves are used for multicast communications. Types of Propogation Radio Transmission utilizes different types of propogation : Troposphere : The lowest portion of earth’s atmosphere extending outward approximately 30 miles from the earth’s surface. Clouds, … Read more

. In India, Ministry of Environment, Forest and Climate Change (MoEFCC) introduced the Environment (Protection) Act, 1986 as an umbrella legislation to provide a holistic framework for the protection and improvement to the environment. In connection with the use of micro-organisms and application of gene technology, the MoEFCC notified the “Rules for manufacture, use/import/export & … Read more

Vaccine hesitancy reflects concerns about the decision to vaccinate oneself or one’s children. There is a broad range of factors contributing to vaccine hesitancy, including the compulsory nature of vaccines, their coincidental temporal relationships to adverse health outcomes, unfamiliarity with vaccine-preventable diseases, and lack of trust in corporations and public health agencies. Vaccine hesitancy is … Read more

The SSLV is being designed by Indian scientists to carry smaller commercial satellites into the low-earth orbit less than 2,000 km above the earth’s surface. The SSLV can launch dedicated payloads or multiple satellites into low earth orbit or sun-synchronous orbit. The payload will be 300 kg to sun synchronous orbit (SSO) and 500 kg … Read more

Neutrino Ans:   Neutrinos are one of the fundamental particles which make up the universe and second most abundant particle in the universe after photon. Neutrinos are similar to electron with one crucial difference that they don not carry electric charge.   Indian -based Neutrino observatory Ans:   It is being set up in Bodhi west Hill, … Read more

A Cryogenic rocket stage is more efficient and provides more thrust for every kilogram of propellant it burns compared to solid and earth-storable liquid propellant rocket stages. Specific impulse (a measure of the efficiency) achievable with cryogenic propellants (liquid Hydrogen and liquid Oxygen) is much higher compared to earth storable liquid and solid propellants, giving … Read more

Delhi has become a smoke chamber in the recent past especially in winters. The changes in temperature  and slowing wind traps soot, dust fine and particulate matter. The reasons for air pollution are as follows: Burning of agricultural residue in Punjab and harayana. Farm stubble burning. This reason got aggravated because of the use of … Read more