Central Seven

Science is fun!

Physics of Deadpool jumping off bridge

I was watching the trailer for the upcoming movie “Deadpool” with Ryan Reynolds, when one scene caught my eye. In the scene, the lead character jumps from a bridge, breaks through a sunroof of a passing vehicle, and lands perfectly in the back seat. I started thinking, is that even physically possible? what kind of…

Continue Reading

Eye of the Pager

I was inspired after the success with the Sunrise Alarm Clock v2.0 to add additional functionality to other household devices. Next stop: the pager. Everyone hates their pager because of that obnoxious BEEP BEEP BEEP. But what if it played something soothing and melodic? Something comforting yet inspiring? Something like… EYE OF THE TIGER. Overview…

Continue Reading

Statistics decision tree

Found this excellent reference for choosing the right statistical test. Original link: http://abacus.bates.edu/~ganderso/biology/resources/statistics.html PDF: stats_flow_chart_v2014

Sunrise Alarm Clock, v1.0

After years of soft schooling, I discovered waking up for a real job is hard. I am expected to be to work at the same time every day, and to get there on time I have wake up EARLY, before the sunrise. So after looking into things, I settled on trying a sunrise alarm clock…

Continue Reading

2

Raspberry Pi2 Seedbox with Deluge and a VPN

Recently, the Raspberry Pi 2 was announced, and I recently bought a couple. They’re fantastic little devices, $35 for an fully-functioning, pocket sized computer. One of the first projects I did was building a Linux-based Torrent Seedbox. I had originally started working with a UDOO, which is a bit more powerful. The main advantage of the UDOO…

Continue Reading

Easy site/database backup with mysqldump and crontab

For sites with databases, frequent backups are necessary. Anyone who has ever accidentally dropped a crucial database table will know this lesson very well. Here’s a quick an easy system for backups: First, the Mysql backup. Create a file in /home/user called .my.cnf It’s format should be as follows: [client] user = db_user password =…

Continue Reading

1 2