Wednesday, 30 September 2015

Glittering crystals in the wood of Larix decidua

Linearly polarized light or planar polarized light, is polarized light that consists of light waves that vibrate only in one direction (or in other words, only in one plane) In nature it is the most common kind of polarized light. Linearly polarized light occurs, for example, by scattering of light in the atmosphere or by reflection of light on a water surface. Linearly polarized light is used in the optics in polarization microscopes.

Thursday, 17 September 2015

It's safe stay under your skull

The type of most bones of the human skull is flat bone. Flat bones are bones whose principle function is either extensive protection or the provision of broad surfaces for muscular attachment. These bones are expanded into broad, flat plates, as in the cranium (skull), the ilium (pelvis), sternum and the rib cage.

In the cranial bones, the layers of compact tissue are familiarly known as the tables of the skull; the outer one is thick and tough; the inner is thin, dense, and brittle,

Tuesday, 15 September 2015

A thread of light in the darkness

In a dim surrounding, these alunite crystals seem to glow by themselves. The photo was taken from the backside of a rock full of them [see the other image] and this precise line of crystals marks the end of that superior part of the rock.

Friday, 4 September 2015

Who eats banana stems?

The banana tree is one of those few species where each part is used in some way or the other, be it the leaves which are used for eating food, the fruit which is eaten in the raw or ripe form, or the flower or stem which is also consumed.

Banana stem can be cooked or consumed raw in juice form. The stem is cooked in various ways in South Indian cuisine and in some parts of West Bengal.