Sạc pin điện thoại bằng giọng nói
Các nhà khoa học Hàn Quốc chế tạo thành công một loại siêu vật liệu có khả năng biến các cuộc nói chuyện thành nguồn cung cấp điện cho điện thoại.
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u4Dhu5wyLsag4buA4bucTsOd4bum4buAfT5Sw53hu4B9Synhu4DGoMWo4buo4buA4bqv4buaOOG7iMOdxqDhu6Lhu5rhu4DDteG7iH3hu6I+xq/hu4hYe+G7gELhu4DGsMWo4bui4buy4buAOMOd4buiYSk+4buie3s=