量子力学?你每天都在用! episode artwork

EPISODE · Nov 14, 2025 · 3 MIN

量子力学?你每天都在用!

from 蝌蚪五线谱-科学频道

每天早上唤醒你的手机闹钟,加热早餐的微波炉,甚至刷地铁的门禁卡,这些习以为常的设备背后,都藏着一个听起来特别高冷的科学——量子力学!中国科学院物理研究所魏红祥研究员最近在科普中揭秘:我们早就生活在量子时代了。别不信,咱们现在就来拆穿这些"量子伪装者"!先说你手上的智能手机,里面至少藏着三个量子科技。打开摄像头,那个能捕捉光线的CMOS传感器,核心原理就是爱因斯坦发现的"光电效应"——这可是量子力学的开山成果!还有给手机精准导航的GPS,必须靠量子钟才能把时间误差控制在纳秒级,不然地图早就把你导到沟里去了。最绝的是半导体芯片,几十亿个晶体管在指甲盖大小的地方工作,靠的就是量子隧穿效应——电子像会"穿墙术"一样穿过绝缘层,这在经典物理里根本不可能!厨房里的量子力学更有意思。微波炉加热食物用的微波,本质是电磁波的量子跃迁。当微波光子撞到水分子,会让它们剧烈振动产生热量。魏红祥研究员打了个比...去小宇宙查看完整单集简介在小宇宙查看该单集文稿

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