Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

The colors of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green. But ...

T oday, silicon photonic circuits connect server racks and play key roles in chemical sensors, biosensors, and LIDAR for self ...

Zahra Khan finds out how a team of scholars is working with the Gadigal to develop a chart that celebrates Indigenous ...

China’s export ban has created a perfect storm. With soaring demand and vanishing supply, antimony is now a critical ...

Get the latest RRB Group D Syllabus 2025 with subject-wise topics, exam pattern, and preparation tips. Download the RRB Group ...