之所以能够在9世纪初的阿拉伯地区产生像花拉子密这样伟大的科学家绝对不是偶然的，这是政治、经济、文化等多方面因素共同作用的结果。据推断花拉子密出生在公元8世纪的最后一个十年，并在当时学风盛行的巴格达接受教育。阿拔斯王朝第七任哈里发马蒙（al-Ma’mūn，813-833）在巴格达修建了“智慧宫”并开启了“百年翻译运动”。花拉子密在这一时期被邀请到“智慧宫”工作，完成了《代数学》并在该书序言中表达了对 ...

大家都是有身份证的人，你仔细看过你的身份证吗？身份证号码那一长串的数字背后有什么奥秘？ 我国居民身份证号码由四部分组成，从前往后分别是地址码、生日期码、顺序码和校验码。

In de-tracked classes with specially trained teachers, some struggling students saw their performance accelerate.

The number of Greenwich High juniors who received a mastery score on the math portion of the SAT dropped by 2.7 percent from ...

在走访他们武馆的过程中，潮新闻记者遇到了一位中国科学院数学与系统科学研究院的博士生导师Manolis Tsakiris。除了学习过空手道和巴西柔术，并且拿到合气道黑带二段之外，他也已经学习了七年咏春拳，并且对其推崇备至。

If voters choose “yes” on Question 2, graduation requirements will be determined hyperlocally. This would be a mistake. If ...

To register your interest please contact [email protected] providing details of the course you are teaching. This introductory account of commutative algebra is aimed at students with a ...

Ne’Kiya Jackson and Calcea Johnson have published a paper on a new way to prove the 2000-year-old Pythagorean theorem. Their ...

With the Michigan high school football playoffs here, High School on SI has its final computer rankings of the 2024 season.

昆虫，作为自然界中分布最广、种类繁多的生物群体之一，具有极强的环境适应能力。 受自然昆虫启发，众多科研人员投身于昆虫级机器人的设计原理与制造技术探索，并成功开发出多种具备类似自然昆虫运动能力的机械昆虫。这些机械昆虫能够高速爬行，攀爬，飞行和穿越狭窄空 ...

I hate discussions that turn sports into a mathematical equation — it’s supposed to be entertainment, not Mrs. Sullivan’s ...