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[GT] 리튬 이온 배터리의 진화 | |
| 최근 「Nature Energy」에서 발표된 바와 같이, 리튬 이온 배터리의 집전장치(current collector)에 폴리머와 내화재를 추가하면 배터리가 더 가볍고 안전해짐과 동시에 효율은 20% 상승하는 것으로 나타났다. | ||
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미래직업 대예측 NEXT JOB | |
| | 박영숙 | ||
| ǻ | 매일경제신문사 | ||
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Apple in China: The | |
| | Patrick McGee | ||
| ǻ | Scribner | ||
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Location-Based Techn | |
| When General Motors introduced OnStar in some of its Cadillac models in 1996, it was pioneering an industry known as location-based services ?or LBS. Because of the existence of global positioning satellites that can triangulate the position of a GPS transmitter anywhere in the world, GM had the idea that roadside assistance and other services could be delivered to drivers in their cars on a subscription basis. | ||
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너츠! | |
| | 케빈 프라이버그 외(역자: 이종인) | ||
| ǻ | 동아일보사 | ||