In 1920, most of us used public transport. But the decline of the great American streetcar is about more than the automobile: "By the time [GM] was buying up these streetcar companies, they were already in bankruptcy."
The death of the steetcar
Subway tunnel heat-exchangers could heat and cool thousands of nearby apartments
In Numerical investigation of the convection heat transfer driven by airflows in underground tunnels (Sci-Hub mirror), a group of engineers from L'Ecole Polytechnique Fédérale de Lausanne and the Swiss Federal… READ THE REST
SpaceX launches Hyperloop pod design competition geared for students and indie engineering teams
The high-speed ground transport system was first described by Elon Musk in a 2013 white paper, and its first route would connect Los Angeles and San Francisco with an expected journey time of 35 minutes. READ THE REST
Save $169 on a lifetime license to Microsoft Windows 11 Pro and never look back
TL;DR: Revamp your digital world with this incredible lifetime license to Microsoft Windows 11 Pro, with its seamless interface and top-notch security, for only $29.97 (Reg. $199) until 11:59 PM on 1/07.… READ THE REST
Upgrade your tech for the new year with this refurbished iPad Pro, less than half price right now
TL;DR: Save over $350 on a refurbished Apple iPad Pro 10.5" 256GB, plus a free accessories bundle, with this sweet deal on sale for just $315.99 right now. Tech fans, it's time… READ THE REST
Make your rockstar dreams a reality for only $15.97 with this Guitar Lessons Training Bundle
TL;DR: The perfect last-minute holiday gift for an aspiring rocker, the 2024 Guitar Lessons Training Bundle is only $15.97 (Reg. $480) until 11:59 PM on 12/25. It's really never too late to make… READ THE REST
