參考網址： Discovery Channel 官網節目表 http://www.yourdiscovery.com/tw/nevermissdiscovery/ List of MythBusters episodes (維基百科) http://en.wikipedia.org/wiki/List_of_MythBusters_episodes MythBusters 2010 season (維基百科) http://en.wikipedia.org/wiki/MythBusters_(2010_season) ---------------------------------- 流言終結者：滑水道高空特技 (Waterslide Wipeout) 第145集 單元：　滑水道高空特技 (Waterslide Wipeout)、向左轉,向右轉(Left Hand Turn) 本集的流言終結者又濕又刺激，這是流言終結者史上最大最髒最讓人暈眩的工程，驗 證這段網路爆紅影片的驚人飛越動作。另外，凱莉、托瑞和格蘭要去送貨，驗證繞遠 路而且只向右轉能否替你省油。 亞當和傑米要驗證一段廣為流傳的網路影片。在影片中，一名男子從自製大型滑水道 衝下，飛越長距離後落在兒童泳池中，準確度令人驚嘆。但是現實生活中，真有可能 飛越這麼遠的距離，落點又真能這麼神準嗎？亞當和傑米先進行概念驗證，然後根據 影片算出滑水道實際大小，在湖邊進行原尺寸實驗。亞當和傑米親自上陣，結果有意 外的發現。某間大型快遞公司實施奇特的作法，用電腦軟體規劃快遞卡車路線，盡量 減少左轉，甚至寧可以三次右轉取代直接左轉，理由是可以省油。跑遠路反而省油？ 凱莉、托瑞和格蘭決定驗證這個看法。他們先用轎車進行實驗，然後在舊金山市區實 際進行驗證。 關鍵字： 滑水道(waterslide)、坡道(ramp)、兒童泳池(kiddie pool)、飛行35公尺(fly 115 ft)、距離(distance)、準確度(accuracy)； 減少左轉次數(few left turns)、省油(more fuel efficiency)、路線(route)、右 轉(right turns)、距離(distance)、時間(time)、交通(traffic)、怠速(idling)； YouTube影片(YouTube clip)、概念驗證(proof the concept)、比例模型(scale model)、假人(dummy)、重力無法等比縮小(Gravity doesn't scale)、落點 (landing spot)、潤滑(lubricate)、藍色水(blue color water)、肥皂水(soapy water)、固定姿勢(Fixed position)、滑水道尺寸(dimension of the slide)、斜坡 長度200呎,角度24度、起跳坡道高12呎,30度、湖(lake)、輕巧堆土機(compact earth mover)、大型堆土機(mass earth mover)、坡道上讓鏟斗在前(bucket first) 、柳柵(straw walls)、屏障(barrier)、膠帶(duct tape)、光面乙烯基(? vinyl)、 找出突起物、全球定位系統(GPS)、追蹤速度及距離(tracking speed & distance)、 從中段開始(start from the middle)、水桶(bucket)、手提除草劑噴灑器 (hand-held sprayer)、傑米稍重(Jamie is slightly heavier)、橡膠圈(ring of Rubber)、電腦特效(computer graphics)； 快遞公司(delivery companies)、規劃路線(calculate routes)、三次右轉(three right turns)、繞遠路(extra distance)、避開紅綠燈(bypass the signal)、對向 來車(coming traffic)、油箱旁接(bypass the fuel tank)、獨立的燃油箱(own fuel cell)、燃油重量(fuel weight)、一致性(consistency)、同樣速度和駕駛風格 (same speed & same driving style)、一般汽車(regular size car)、控制的路線 (controlled course)、送貨卡車(delivery truck)、遞送包裹(delivering packages)、流言快遞(MCS , MythBusters Courier Service)、舊金山(San Francisco)、城市環境(urban environments)、倫巴街(Lombard Street)、空檔 (neutral)； -------------------------------------------------------------------- Waterslide Wipeout A person can slide down a supersized waterslide, launch off a ramp at the end, fly 115 ft (35 m), and land in a kiddie pool with perfect accuracy. "Busted" The Mythbusters first built a scale model of the slide, and discovered that the concept was plausible. They then built the full size ramp with dimensions based on thorough analysis of the video. For safety reasons, the Mythbusters built the slide next to a man-made lake (38.399581°N 120.995017°W) so that they could avoid injury if they missed the target. After several runs, the Mythbusters concluded that the 115 foot flight distance was impossible, as they could only travel at a maximum distance of 72 ft (22 m) with a peak speed of 30 mph (48 km/h). In order to achieve the 115 foot distance, they would need to be traveling at least 40 mph (64 km/h). They then tested the accuracy of the slide, and found that the accuracy was fairly consistent. However, because they couldn't achieve the distance portion of the myth, they were forced to bust the myth. Just to make absolutely sure, the MythBusters contacted the people responsible for making the video, and they confirmed that the video was made using computer graphics. ----- Left Hand Turn Driving a route taking only right turns instead of left turns is more fuel efficient than driving normally, because the vehicle uses up more gas idling while waiting for traffic to clear on a left turn than taking three right turns. "Confirmed" For their first test, the Build Team drove a regular size car on a controlled course. On the first run, they drove the car around a block using a left hand turn, but had to wait for a turn signal. In the second run, they instead took three right turns to bypass the signal, but the route was longer. The results showed that the car managed to cover more distance in less time taking right turns compared to left turns while only consuming less than one percent more fuel. For a real world result, the Build Team obtained a full size delivery truck, with the objective of delivering packages to several locations scattered throughout San Francisco. For their second run, they drove the exact same route, but replaced all of the left turns with right turns. Both runs included the treacherous Lombard Street hill. After reviewing their results, the Build Team discovered that the right turn route was more fuel efficient with a 3% difference, despite having to drive a longer distance. Kari then pointed out that this would be an ideal strategy for delivery trucks in urban environments, but would not work as well with regular cars. ------------------------------------------------------------------------- --

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