Welding is a technique used in the fabrication process mostly. The method involves metals, materials etc. The act of welding relates to merging of two particles in to one, by the melting and cooling processes. The heating in the welding can be done by a gas flame, electric arc, laser, electron beam, ...
Scientific method
This is a collection of techniques to investigate phenomena, acquire new information and correct or integrate previous knowledge. It comprises the following:
gathering observable, empirical and measurable proof as per certain principles of reasoning
gathering data by observation ...
The initiative, announced by environment secretary Hilary Benn in Bournemouth, is expected to save 5m tonnes of carbon dioxide a year and be completed by 2012.
The old lightbulbs are being rapidly replaced by low-energy bulbs, which cost more to buy but last up to 12 times as long and use nearly 80% ...
Whereas most animals run away from the dangers of the African savannas, meerkats, brave little souls that they are, race toward them. Large groups run headlong at venomous snakes and other potential predators, harassing them with jeering noises and pokes from their tiny claws. Scientists have long thought ...
Astronomers have a new mystery on their hands. A team studying data from a recent sky survey has spotted a huge burst of radio waves that came and went in the blink of an eye and has not returned since. Figuring out what caused the cosmic broadcast could provide new insights into the dynamics of neutron ...
Though Greenland lives large in the world's imagination, the world hasn't always put much effort into imagining what life is like for Greenland's 56,000 residents. But as the increasingly alarming news of its melting 1.8 million square kilometer (695,000 square mile) ice cap has trickled south and the ...
Science 
