Category: Science

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Religion, scientifically right?

It’s important to approach the question with sensitivity and respect, and to be aware that talks about religion and science can be complicated and involve many different ideas. Religion and science can look at different parts of what it means to be human, but it’s important to remember that they work in different areas and use different methods. From a… Read more →

milky way galaxy during nighttime

Constellation

What is a Constellation? A constellation is a group of stars making an imaginary night sky shape. They are usually named after mythological characters, people, animals and objects. In different parts of the world, people have made up different shapes out of the same groups of bright stars. It is like a game of connecting the dots. In the past… Read more →

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Behind Leap Year

What is the concept behind Leap Year? The solar year is not exactly 365 days. It is 365.24219 days. That means it is almost a quarter of a day longer than our standard 365-day calendar. Over time, that adds up. After four years, the calendar would be off by almost a full day. After 120 years, the calendar would be… Read more →

Spectrum Auction

The word spectrum in this context refers to a range of radio-waves that are used for communication purposes. This includes the FM or AM radio broadcasts that you listen to on the way to work, and even other wireless forms of communication like Bluetooth and Wi-Fi. The smartphone you’re using also uses these same radio waves to transmit data, and… Read more →

What is the meaning of Rx, Nrx and XRx?

This is related to pharmacology and pharmacy. Generally, prescriptions written by doctors have these symbols at the beginning. Rx It actually comes from the word ‘Recipere’, meaning prepare. In medieval times, pharmacists used to make drugs and doctors would just write down the components and amounts to be needed and send the patients to the pharmacists with the prescription. The… Read more →

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Nuclear/Radioactive waste

Radioactive waste is a type of hazardous waste that contains radioactive material. Radioactive waste is a result of many activities, including nuclear medicine, nuclear research, nuclear power generation, rare-earth mining, and nuclear weapons reprocessing. The storage and disposal of radioactive waste are regulated by government agencies in order to protect human health and the environment. This waste is broadly classified… Read more →

Blue Water-Gas

A gas consisting mainly of carbon monoxide and hydrogen, made by passing steam over red-hot coke and burning with a blue flame, used especially as a source of hydrogen; also called Blue gas, Water gas. The manufacture of water gas first became an industrial proposition in 1873 with the introduction of the intermittent system by Strong and by Lowe in… Read more →