What is ‘problem of hell’ in religion?

This refers to an ethical argument made by atheists against monotheistic religions like Christianity and Islam which propagate the belief in heaven and hell. It states that the conception of hell, where people who sin during their worldly lives will be tortured for eternity in their afterlife, is inconsistent with Read More …

All about Cryptocurrencies

Why the interest in virtual currencies? Bitcoin saw its value trading at above $10,000 (about Rs. 6.43 lakh) per bitcoin, up by about 900% from its value on January 1, 2017. At a time when the Indian government is in the process of determining the legality of cryptocurrencies, it is Read More …

What is the Yale Model in finance?

Also known as the endowment model or the Harvard model, this refers to the investment strategy followed by many popular endowment funds created by institutions like universities, hospitals and other non-profit organisations. It emphasises the importance of diversifying an investment portfolio equally across multiple asset classes to control risk, but Read More …

What is the Whistler-mode Chorus?

These are waves in space created by fluctuating electric and magnetic fields. The waves have characteristic rising tones — reminiscent of the sounds of chirping birds — and are able to efficiently accelerate electrons. Scientists have long known that solar-energised particles trapped around the planet are sometimes scattered into the Read More …

What are credit ratings and how are they given?

What is a credit rating? A credit rating is an assessment of the creditworthiness of a borrower. Individuals, corporations and governments are assigned credit ratings — whoever wants to borrow money. Individuals are given ‘credit scores’, while corporations and governments receive ‘credit ratings’. Why do countries get credit ratings? National Read More …