## Equations

Magnetic force and torque т = m × B F = ∇ (m · B) т: magnetic torque applied on an object (Nm) m: magnetic moment vector (Am2) B: magnetic flux density (T) F: magnetic force applied on an object (N) Newton’s second law of motion F = ma F: net external force applied on […]

## Sarcasm?

Check out the following two pages of the same research article.

## Literature 文献

This post organizes some interesting literature studies by their respective topics. 这个博文整理一些我觉得有意思的科研文章（以主题分类）。 Miniature robotics Vincent M. Kadiri, Claudio Bussi, Andrew W. Holle, Kwanghyo Son, Hyunah Kwon, Gisela Schutz, Maximiliano G. Gutierrez, and Peer FischerBiocompatible magnetic micro- and nanodevices: Fabrication of FePt nanopropellers and cell transfectionAdvanced Materials 2020 Tianqi Xu, Jiachen Zhang, Mohammad Salehizadeh, Onaizah Onaizah, […]

## Something useful for me

Just want to have a blog recording the things that are useful for me. Softwares BlenderAn open-source (and free) 3D rendering software that is as capable as its commercial counterparts. Even its kind of add-on video editor is powerful enough for casual video editing. InkscapeA free (not sure if open-source) vector drawing application. It is […]

## Keep myself updated

This blog contains some of the websites and Youtube channels I like to read/watch to keep myself updated of the fast-changing world. I do realize I don’t read as many websites as I watch Youtube channels. One reason is that I haven’t found many interesting sites to stop by. I hope I could add more […]

## Units

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– – – – – – […]