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The Outlook for HDTV |
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In the late 1990s, when the first television channels began offering high-definition television, few U.S. households had HDTV sets to receive the signals, and it’s no wonder: Shows in high-def were scarce, and the average price of an HDTV set was $3,147. |
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The Radio Frequency |
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In the last few years, the electromagnetic spectrum has quietly become a critical part of contemporary life. It enables you to communicate with mobile phones, use remote controls, tune in TV stations, pop corn in the microwave, open your car door without a key, listen to radio stations, and surf the Internet when you’re sipping coffee at Starbucks. |
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The Truly Super Supe |
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Many watched helplessly this past summer as St. Louis suffered through a torturous blackout and dozens of Californians died during an unprecedented heat wave that sapped electrical power and immobilized the grid in places. |
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제1차 세계 경제 전쟁 |
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코로나 팬데믹으로 인해 유례없는 30년간의 경제 세계화와 지정학적 안정이 종말을 맞았다. 오늘날 세계는 다시 한 번 미국과 중국을 중심으로 한 두 개의 대립 진영으로 분열되었다.<br><br>유럽에서는 우크라이나를 두고 NATO와 러시아, 조력자들이 치열한 전투를 벌이고 있다. 동시에 중국, 미국, 각 동맹국들 사이에서는 경제적 투쟁이 점점 더 격렬해지고 있다.<br><br>양측의 최종 목표는 무엇이고 어떤 위협을 만들어내고 있는가? 앞으로의 전개는 어떻게 될 것인가? |
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The Military Recruit |
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According to most reports in the media, the military’s biggest personnel problem is a shortage of recruits. The Army fell significantly short of its recruiting targets every month from February through May. It only met its goal for June after it lowered the target. |
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