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Parkesine, the first member of the Celluloid class of compounds and considered the first man-made plastic, is patented by Alexander Parkes. [4] 1869: John Wesley Hyatt discovers a method to simplify the production of celluloid, making industrial production possible. 1872: PVC was accidentally synthesized in 1872 by German chemist Eugen Baumann ...
Global Plastic Production (1950-2022) [2] Plastics production has been growing globally. The numbers include thermoplastics and polyurethanes, as well as thermosets, adhesives, coatings, sealants, and PP-fibers. [1] Data was gathered by PlasticsEurope (PEMRG) and Consultic, or the nova-institute. [3] [4]
Timeline of Indian innovation encompasses key events in the history of technology in the subcontinent historically referred to as India and the modern Indian state.. The entries in this timeline fall into the following categories: architecture, astronomy, cartography, metallurgy, logic, mathematics, metrology, mineralogy, automobile engineering, information technology, communications, space ...
Carbon pigment Ink, called masi, and popularly known as India ink was an admixture of several chemical components, has been used in India since at least the 4th century BCE. [17] The practice of writing with ink and a sharp pointed needle was common in early South India. [18] Several Jain sutras in India were compiled in Carbon pigment Ink. [19]
While serious challenges remain, India is enjoying a period of economic expansion that has propelled it to the forefront of the world economy, and has correspondingly increased its influence in political and diplomatic terms. [2] Nuclear capable Agni-II ballistic missile. Since May 1998, India declared itself to be a full-fledged nuclear state.
India remained the world's only source of diamonds until the discovery of diamonds in Brazil in the 18th century. [223] [224] [225] Golconda served as an important centre for diamonds in central India. [226] Diamonds then were exported to other parts of the world, including Europe. [226] Early references to diamonds in India come from Sanskrit ...
Composition of India's total production of foodgrains and commercial crops, in 2003–04, by weight. India ranks second worldwide in farm output. Agriculture and allied sectors like forestry, logging and fishing accounted for 18.6% of the GDP in 2005, employed 60% of the total workforce [13] and despite a steady decline of its share in the GDP, is still the largest economic sector and plays a ...
The economic liberalisation in India refers to the series of policy changes aimed at opening up the country's economy to the world, with the objective of making it more market-oriented and consumption-driven. The goal was to expand the role of private and foreign investment, which was seen as a means of achieving economic growth and development.