字幕表 動画を再生する 英語字幕をプリント hello and welcome to hooplakidzlab making science super fun and super simple today we're performing the smiling bill experiment. it's one of my favorites and it's a lot of fun firstly you're going to need a £10 note or any note with a face but do make sure that the face is facing forwards you'll see here that on this £10 note we have the face of the queen of england what you need to do first is fold the £10 note over so that there is a crease that runs down the center of her right eye then fold the note again in the same direction to form a crease down the center of her left eye then very carefully push those two creases together to form a crease running in the opposite direction if you do it right she'll look a little bit like a cyclops once you've done that straighten the note out again but make sure there is still a bend in the paper and then slowly tilt the piece of paper backwards and forwards you'll see that the queen starts to frown or smile depending on which way you tilt the paper but how does this work well it's very simple it's because of the fold in the paper it slightly changes the angle at which you're looking at that section of the picture we can try this experiment again with a $20 bill use the same technique place a crease through each of the eyes and then a third crease running between the two if we straighten out the bill and then tilt it you'll see that jackson becomes very happy and then very sad and there we have it that is the smiling bill experiment hope you enjoyed it don't forget to subscribe and comment it's been great having so many of you following the channel we hope you'll come back soon for more exciting science see you soon
B1 中級 英 自宅でできる科学実験 - 笑顔のビル (Science Experiment That You Can Do At Home - Smiling Bill) 112 10 Ryan Lee に公開 2021 年 01 月 14 日 シェア シェア 保存 報告 動画の中の単語