Pentagon's Electromagnetic Gun Awaits Use Marines stage a scene that has become more frequent for U.S. forces in Afghanistan. The mock protesters are harmlessly dispersed with a high-tech device. It is called the Active Denial System. Using an electr...
Business Emails 商务电子邮件 This week's question comes from Sola in China who wants to know how to write better business emails. Being able to write good work or business emails in English is an important skill in today's globalised economy ....
