Sensex, Nifty scale new peaks on  sustained buying BSE Sensex gained 88.90 points to end at 34,592.39, while the broader NSE Nifty finished at 10,681.25, up 30.05 points. Markets continued their record-setting run for yet another session on Friday with both the Sensex and Nifty ending at lifetime highs on robust buying by domestic institutional investors amid positive global cues. The BSE Sensex gained 88.90 points to end at 34,592.39, while the broader NSE Nifty finished at 10,681.25, up 30.05 points. After opening on a strong footing, the Sensex advanced to hit a fresh lifetime high of 34,638.42 on the back of continued buying by domestic funds and retail investors but later declined to 34,342.16. It finally settled 88.90 points, or 0.26 per cent higher at 34,592.39, breaking its previous record closing of 34,503.49 hit in Thursday’s trade. The broader Nifty, after scaling an all-time high (intra-day) of 10,690.40 points, finished at 10,681....

T he growth of the bitcoin is fuelling speculation and debate about the environmental impact of the collective energy needed to power the virtual currency in the era of climate change. Some questions and answers about the issue : WHY ARE CRITICS CONCERNED ABOUT BITCOIN ENERGY USE ? 1 Bitcoin can't exist without computers, which inturn can't exist without a source of electricity. And the number of computers and the energy needed to power them is rising. 2   The growing value of a bitcoin is directly tied to the amount of energy it uses. The miners unlock bitcoins by solving complex, unique puzzles. As the value of a bitcoin goes up, the puzzles become increasingly difficult, and they require more computer power to solve them.