EP.269 你聽過用「蟬」唱歌的〈卡農〉嗎?科學家真的做到了! 科學家不只能控制昆蟲發聲,還能讓牠們唱出名曲! 筑波大學的科學家,成功讓日本油蟬演奏出大家耳熟能詳的世界名曲:帕海貝爾的「卡農」。 選擇油蟬作為實驗對象,因其發聲結構簡單、體型大,電極比較好插,還有叫聲響亮,容易紀錄與分析。 研究人員在雄蟬發聲肌肉插入電極,傳送特定頻率的方波電訊號。 透過精確調整電壓,蟬能以相同頻率發聲;電壓過低,蟬的叫聲是方波頻率的一半,也就是唱低八度的音;電壓過高則以兩倍頻率,也就是高八度的音唱歌。 所以,只要找到每個頻率最適合的電壓,就能讓蟬照我們給的樂譜來唱歌啦! 未來,這種「生物喇叭」可望應用於警報系統或環境監測,成為生物與電子融合的Cyborg無人機。 這個研究於2025年4月發表於arXiv預印本,不過還沒經同儕審查正式發表喔,引用時要注意一下! Nazology報導(2025/05/02):https://nazology.kusuguru.co.jp/archives/176793 arXiv 論文(2025/04/23):https://arxiv.org/abs/2504.16459 #昆蟲 #油蟬 #樂譜 #唱歌 #生物喇叭 #蟬 -- Hosting provided by SoundOn
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