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Speed is generally considered exciting, but this blog post takes a different approach. It uses interesting examples, both foreign and familiar, to create a relative scale of speed. It is extremely easy to understand and informative. 

This article is interesting because the author makes an unusual comparison (between a controversial art piece and the far reaches of space) in order to make his point. Despite the differences between these two topics he melds them together in order to show the reader a new way of thinking about the concept of nothing.

Also worrisome... If your password is compromised, you can change it. If your facial data is compromised, well...

More and more schools are installing security cameras in halls, classrooms and buses. Administrators say it helps protect students and staff, but some argue the practice is invasive. Guests discuss the use of surveillance cameras in schools and where to draw the line between safety and privacy.