Both a methodology of code production and a philosophy of sharing for the common good, Open Source is the practice of making source code available to all.
Chemistry is the study of matter's molecular structure and how it changes. Alchemy is the study of converting one material to another, typically metal to gold.
Stress is a condition felt by many living in modern and industrial societies. Stress can manifest in high blood pressure and a variety of other ailments.
Manipuri is a style of classical Indian dance from Northeastern Indian, Manipur, where the romance between the Gods Radha and Krishna are of central importance.
Kathakali is a classical dance-drama style originating in the Southern India, Kerala. It is distinguished by grandiose costumes and elaborate face makeup.
A prime lens is a lens with a fixed focal length as opposed to a zoom lens which has an adjustable focal length. They typically take higher quality photos.
Japanese maple trees (Acer palmatum) come in a wide variety. Japanese maples are, or course, native to Japan, in addition to Korea, Mongolia, and Russia.
The theory of the panopticon is that the prisoners must assume they are being watched. It is insignificant how many guards are in the tower fifty, one, or none.