Laws of indices are helpful for understanding and working out negative indices. Consider these powers of 2: 2 is simply 2 to the power of 1, 4 is 2 squared, 8 is 2 cubed, and 16 is 2 to the power ...

The creation of a negative refractive index — responsible for a host of interesting phenomena, including negative refraction, the inverse Doppler effect and reverse Čerenkov radiation ...

The Banking sector was the top contributor to the market turnover (due to Commercial Bank and Hatton National Bank) whilst the sector index lost 0.92%. The share price of Commercial Bank lost Rs 1 ...

The data comes as investors continue to look for signs that Beijing's stimulus measures can help to boost the country's ...

Benchmark indices ended on a negative note, following the global trend, with Nifty breaking its 14-day winning streak. Selling was seen across the sectors barring realty, FMCG, and pharma.