What is arc discharge method?

The arc discharge technique generally involves the use of two high-purity graphite electrodes as the anode and the cathode. The electrodes were vaporized by the passage of a DC current (~100 A) through the two …

What are the steps to apply for US visa?

Get a digital photograph of each applicant. Complete US visa application form DS160. Pay the US visa application fee. Take appointment for visa interview. US Visa Fingerprinting at Visa Application Center …