近距离接触的分类，究竟记录了什么
“近距离接触”是一套描述不明飞行物目击报告的分类方法，不是外星生命存在的证明。本文从海尼克提出的分类切入，说明目击、近距观察与生物报告之间的差别。 继续阅读 近距离接触的分类，究竟记录了什么
The Bloop Beneath the Pacific
In 1997, underwater sensors recorded an exceptionally powerful, low-frequency sound in the South Pacific. The likely explanation is ice, but the recording’s origin has never been pinned to a specific event. 继续阅读 The Bloop Beneath the Pacific
仓库盘点中的AI：从货架照片到库存复核
仓库盘点不一定要逐箱清点。本文以货架视觉识别为例，梳理人工智能如何辅助读取商品与库位信息、发现差异，并说明数据准备、人工复核和现场限制。 继续阅读 仓库盘点中的AI：从货架照片到库存复核
The Antikythera Mechanism’s Missing Story
Recovered from an ancient shipwreck, the Antikythera Mechanism reveals sophisticated astronomical knowledge—but its maker, original setting, and journey beneath the sea remain uncertain. 继续阅读 The Antikythera Mechanism’s Missing Story
黎明前为何有时会显得更暗
日出前的天空通常逐渐变亮，但有些清晨，人们会觉得天色短暂变暗。理解这一现象，需要分清曙光、云层变化与视觉适应，而不是把它视作普遍的天文过程。 继续阅读 黎明前为何有时会显得更暗
The Isdal Woman’s Final Trail
In 1970, a woman was found dead in a Norwegian valley. Removed labels, assumed names, and an enigmatic travel record left investigators with a case that remains unresolved. 继续阅读 The Isdal Woman’s Final Trail
撒哈拉之眼是什么？从地貌线索看亚特兰蒂斯传说
毛里塔尼亚撒哈拉沙漠中的“撒哈拉之眼”因同心圆形态而引人注目，也常被联系到亚特兰蒂斯传说。地质证据显示，它是长期地质作用形成的构造，而非沉入沙漠的古城。 继续阅读 撒哈拉之眼是什么？从地貌线索看亚特兰蒂斯传说
The Mary Celeste’s Empty Deck
In 1872, the Mary Celeste was found adrift in the Atlantic with its crew gone. The ship’s records and condition offer clues, but no confirmed explanation for the disappearance. 继续阅读 The Mary Celeste’s Empty Deck