Xu Cui
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564 Stories by Xu Cui
Light travels in a straight line. When light is reflected by a mirror, the incoming angle is equal to the reflection angle. When light enters water, it changes its directions according to Snell’s law. … Or does it? These light behaviors a
Stork has an update and we need to send an email to our users. In the email we wish to show a super short video demonstrating the new feature. However, embedding video in email can be complicated. A GIF picture will be much easier for users to consum
想了解近红外fnirs技术的同学，可以考虑参加我们周六中午的知识竞猜活动。因为心仪科技的慷慨赞助，我们今年的红包比往年大几倍，从5元涨到20元，最后还有大题，奖励100元的大红包。欢迎大家踊跃参加，也
The 2019–2020 Wuhan coronavirus outbreak is a viral epidemic primarily affecting mainland China, along with isolated cases in 27 other countries and territories (From WikiPedia). Here we list the publications related to 2019-nCov. The list is updated
It’s not uncommon you hear news about data breaches of some big internet companies. If you happen to you use their services, your username/password might be public now. In Google’s password manager, there is a new feature called “Pa
I found this photo today taken on April 1st, 2011. This was after I took a simultaneous fNIRS-fMRI experiment at Lucas Center, Stanford. This study required the participants to wear a cap with optical probes pointing on their heads. After the experim
I like to play with computers. So Oracle’s VirtualBox is handy to install different operating systems (Linux, Windows, Mac etc) and try them. But recently when I tried to open any virtual machines I got the following error: I searched and tried
In Mac, you can colorize a folder or file. This is particular useful if you have many files and want to mark important ones for quick access. Unfortunately, Windows does not have such feature natively. Fortunately, FileMarker (free version) allows yo
When I need to free some spaces on my computer, I need to know which folder(s) take most space so I can prioritize removing files in these folders. TreeSize is a free program to do this. It shows you not only the space each folder takes, but also the