Base units Time t second: s – The base unit of time in the International Systems of Units. Length L meter: m – The base unit of length in the International Systems of Units. angstrom (ångström): Å – A metric unit of length, equal to 10-10 m. Not that it is not part of the […]

News in science, technology and academia

This post is intended to collect interesting news happening in science, technology, and academia. Science Technology Researchers develop a head-only MRI system to make brain scans more comfortable. Designboom.com – 24 July 2020. Link“The seated solution intends to reduce anxiety thanks to a number of features, including a remote control for the patient and a […]

Timeline 时间线

I am interested in history since I was a kid. In this post, I want to organize some people and events based on the time.我从小就喜欢历史。我想用这篇博客来把一些我感兴趣的人和事按时间先后排出来。 BC 66 million– – – – – – ?? – – – – – – – – – ?? Cretaceous-Paleogene (K-Pg) extinction event 白垩纪生物大灭绝 221– – – – – – […]