单词:beargarden
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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f
Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on fewer watts. But even if we replaced all today's bulbs with energy-sipping LEDs, the world m
Green Light Roll Deep put your hands up, take it to the floor you already give me the green light baby, put your glass up, pour a little more, you already give me the green light i was lookin for the green light, cuz when i take me home yeah she migh
Science and Technolgy. 科技。 Visible-light communication. 可见光通信。 Tripping the light fantastic. 与光共舞。 A fast and cheap optical version of Wi-Fi is coming. 一个高速而廉价的光学Wi-Fi即将问世。 AMONG the many new
Science and technology 科学技术 Visible-light communication 可见光通信 Tripping the light fantastic 与光共舞 A fast and cheap optical version of Wi-Fi is coming 一个高速而廉价的光学Wi-Fi即将问世 AMONG the many new gadgets u
英榜冠军单曲:Roll Deep - Green Light Roll Deep是伦敦的一只乐队,自成立以来从未签约过唱片公司,一直是独立出碟。本周他们的新单曲Green Light为什么一看到就想起孙燕姿的那首《绿光》的说强势