PrefaceUnit 1Computers and Network 1Part IListening for technology 1Part IIReading for exploration 2Passage AThe New Old Thing 2Passage BNetwork Security 10Part IIIWatching for discussion 15Part IVTesting for consolidation 17Unit 2Automation and Robotics 19Part IListening for technology 19Part IIReading for exploration 20Passage AThe Function and ELS Issues of a Robot 20Passage BDyson’s Robot Vacuum Has 360-Degree Camera, Tank Treads, Cyclone Suction 27Part IIIWatching for discussion 32Part IVTesting for consolidation 33Unit 3Energy 36Part IListening for technology 36Part IIReading for exploration 37Passage ACapturing Value in Global Gas: Prepare Now for an Uncertain Future 37Passage BFact or Fiction: Energy Can Neither Be Created Nor Destroyed? 43Part IIIWatching for discussion 46Part IVTesting for consolidation 48Unit 4Environmental Science 50Part IListening for technology 50Part IIReading for exploration 51Passage AWhat Do We Know about Wildfires and Climate Change 51Passage BTropical Forests May Not Combat Climate Change 60Part IIIWatching for discussion 64Part IVTesting for consolidation 65Unit 5Materials Engineering 67Part IListening for technology 67Part IIReading for exploration 68Passage A“Miracle Material” Graphene One Step Closer to Commercial Use 68Passage BLaser-Generated Surface Structures Create Extremely Water-Repellent Metals 75Part IIIWatching for discussion 79Part IVTesting for consolidation 80Unit 6Civil Engineering 82Part IListening for technology 82Part IIReading for exploration 83Passage AThe Business Case for Smart Building Technology 83Passage BSpeedy Analysis of Steel Fiber Reinforced Concrete 91Part IIIWatching for discussion 94Part IVTesting for consolidation 96Unit 7Communication Technology 98Part IListening for technology 98Part IIReading for exploration 99Passage AAlexa, What Are You Doing with My Family''s Personal Info? 99Passage BWireless Companies Put up More “Stealth” Towers 106Part IIIWatching for discussion 110Part IVTesting for consolidation 111Unit 8Optimizing Health 113Part IListening for technology 113Part IIReading for exploration 114Passage AThe World Is Richer, Fatter, and Not Much Happier 114Passage BThe Science of Sleep 122Part IIIWatching for discussion 127Part IVTesting for consolidation 129AppendixReference Answer 131