The refractive index of diamond is approximately 2.42. Diamond has a very high refractive index, which means it bends light at a significant angle when it enters the diamond, contributing to its sparkling brilliance.

There are three protective layers around our brain and spinal cord, called meninges. These layers are named in the order from outside to inside

the edible part of a coconut is the endosperm. The endosperm is the inner, white, and fleshy part of the coconut seed, which is commonly consumed as food. It is often grated, dried, and used in various culinary applications or processed to extract coconut milk and oil. Coconut water, found inside young green coconuts, is also consumed as a refreshing beverage and is distinct from the endosperm.

The Richter magnitude scale (often shortened to Richter scale) was developed to assign a single number to quantify the energy that is released during an earthquake. An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth’s crust that creates seismic waves.