- Former Governor of Lagos State Bola Ahmed Tinubu emerged as the winner of Nigeria’s closely watched February 2023 presidential election. Despite repeated calls to Nigerian authorities to prioritize accountability for past elections-related abuses and address widespread insecurity, the February elections were blighted by incidents of logistical failures and violence at the polls.
- Homemade liquid nitrogen generator using Joule Thomson Throttling (homemadeliquidnitrogen.com)
I determined that there was no good tutorial on how the average person can liquefy nitrogen or air. A few references to cryocoolers, which use an internal helium Stirling engine to create a cold head exist, and I even saw one person use this as a means to liquefy nitrogen, allowing the gas to condenses as it passes over the head. This method is cheating because it relies on a self-contained refrigeration unit. I wanted to do this using regenerative cooling just like Carl Linde back in 1895.