2000 B.C - The first recorded (The Susruta Samhita, Sanskrit writing) water purification began with the Egyptians. It is said that impure water should be boiled over a fire, heated in the sun, have a hot iron dipped into it or purified by filtration through sand and course gravel.
A major step in the development of desalination technologies came in the 1940s during World War II when various m
on the Taliban has been unveiled.
Called the XM-25 it has been described by the US Army as a 'game changer'.
It uses a laser guidance system and specially developed 25mm high explosive rounds which can be programmed to detonate over a target.
Richard Audette helped develop it for the US Army and says it's a big leap forward because it's the first small arms weapon to use smart technology.
8. Why did Korea experience more and severer labor disputes in the late 1980s than earlier periods?
한국의 노동투쟁 및 파업의 시기는 정치적 불안의 시기와 일치하는 경향을 보인다. 특히 1980년대 후반의 격렬했던 노동투쟁은 1987년 당시 집권여당의 대통령 후보였던 노태우의 직선제 및 인권에 관한 공약이 기폭제가 되어
현대 과학기술이 어디까지 발달할 수 있는지, 이로 인해 인류사회는 어떻게 될 것인지 생각해보시오.
서론
현대사회에서 과학기술은 우리에게 이전에는 상상할 수 없었던 기회와 위험을 동시에 부여하고 있다. 오늘날 인류는 역사상 유례를 찾기 어려운 급격한 변화의 와중에 놓여있다.
technology development in other sectors. It represents the Norway economy 25% of the GDP and more than 50% of export earnings and providing some 250,000 jobs directly and indirectly. According to the knowledge-based Norway which is a research project in that country, “The Norwegian oil and gas industry was built upon established Norwegian competences in mining (geophysics), maritime operations