Researchers in Spain reviewed six models used to calculate incidence angle modifier (IAM) losses in photovoltaic systems. They identified the Martín-Ruiz model as the most comprehensive, as it ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Discover the latest advancements in laser vision correction, including next-gen LASIK techniques that achieve unprecedented ...

Valve announced Steam Frame today, but what’s the difference between the company’s first VR headset, Valve Index? Read on to find out. Index is a tethered PC VR headset that uses the company’s SteamVR ...

Kristina Zucchi is an investment analyst and financial writer with 15+ years of experience managing portfolios and conducting equity research. Cierra Murry is an expert in banking, credit cards, ...

Indian citizens now have visa-free access to 57 countries. China rises to 64th, adding 30 new visa-free destinations this year. India’s passport has slipped to 85th place in the 2025 Henley Passport ...

OCT has transformed retinal practice, enhancing diagnostic accuracy and treatment efficiency while reducing reliance on ...

Progressive myopia is a growing issue in every country as near vision demands for children continue to increase. In 1980, ...

Indian travellers may find their global mobility slightly restricted this year. According to the 2025 Henley Passport Index, India has fallen five places to rank 85th, granting visa-free access to 57 ...

This inflation calculator uses the change in the Consumer Price Index (CPI) from 1913 to 2025 to estimate the U.S. dollar's buying power and future value.