Space.com on MSN22 小时
Scientists 'dust for fingerprints' around a young star as it births exoplanets
How do you dust a star for prints? Scientists have the answer to this strange question: by reconstructing the magnetic field ...
来自MSN8 小时
一文讲清Python找到与字典相关的常用函数
创建字典 建立一个新字典： # A tome of elements and their symbolselements = {'Hydrogen': 'H', 'Helium': 'He', 'Lithium': 'Li'} 2. 添加或更新条目 ...
Row over 22 illustrations in Constitution: A look at the art, the artists, and the message
These 22 hand-painted images in the Constitution include scenes from the Ramayana and the Mahabharata, pictures of Ram, ...
London South East9 小时
Helium One Share Chat (HE1)
London South East prides itself on its community spirit, and in order to keep the chat section problem free, we ask all members to follow these simple rules. In these rules, we refer to ourselves ...