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[87]

A Brief History of E
| Adam Rutherford 외
ǻ | The Experiment
The New Great Depres
| James Rickards
ǻ | Portfolio
Science Explores the
Happy employees stay with their employers longer, and generally are more productive than unhappy employees. Happy customers stick with their suppliers longer, and typically buy more.
극초음속 무기의 군사적·상업적 잠재력
극초음속 비행은 무기 선진화에 있어 가장 최신의 기술이다. 중국, 러시아, 미국이 테스트하고 있는 형태는 여전히 초기 단계에 머무르고 있다. 그러나 더 멀리 본다면, 이 기술의 핵심은 극초음속 무기에만 그 잠재력이 국한되는 것이 아니라, 상업용으로도 거대한 혁명을 가져올 수 있다는 데 있다. 어떤 점들이 획기적인 것일까? 앞으로 이용 가능한 것으로 예상되는 것들은 무엇일까? 군사 전략가, 소비자, 투자자들에게는 어떤 의미가 있을까?
The Temp-Nation of A
An increasing portion of the labor market is characterized by what many observers call “just-in-time employment.”  This sector of the labor market is more commonly known as the contingent labor market, consisting of temporary and contract employees.