We're all familiar with the high-pitched squeak of basketball shoes on the court during games, or tires squealing on pavement. Scientists conducted several experiments and discovered that the geometry of the sneakers' tread patterns determines the squeak's frequency, enabling the team to make rubber blocks set to specific frequencies and slide them across glass surfaces to play Star Wars' "Imperial March."
The skeletons are buried in shallow graves cut into the limestone bedrock. While their bones and teeth show they lived hard lives, objects found amongst the graves suggest wealth and luxury.
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圖像加註文字，二二八78週年紀念活動資料圖片在新北市長大的李承璦，是少數會表達意見的年輕人。21歲的她來自本省人家庭，從小就聽父親說二二八和台灣歷史，全家會在二二八當天慎重地紀念這段歷史。李承璦回憶，小學時同學開心二二八討論去玩的行程，她會質問同學是否了解放假的原因，她甚至從小就會在新聞社群跟人筆戰，說明二二八跟白恐歷史多重要。，这一点在爱思助手下载最新版本中也有详细论述