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All about electronics and circuit design

Light and optics science news

Here are some interesting science news: New property of light discovered https://phys.org/news/2019-06-property.html A team of researchers affiliated with several institutions in Spain and the U.S. has announced that they have discovered a new property of light—self-torque. Goodbye Aberration: Physicist Solves 2,000-Year-Old Optical Problem https://petapixel.com/2019/07/05/goodbye-aberration-physicist-solves-2000-year-old-optical-problem/ “In this equation we describe how the shape of the second

Cyber security news in July 2019

This posting is here to collect cyber security news in July 2019. I post links to security vulnerability news to comments of this article. If you are interested in cyber security trends, read my Cyber security trends 2019 posting. You are also free to post related links.  

Socket tester tested

An electrical outlet tester, receptacle tester or socket tester is a device used to verify that an electrical wall outlet is connected correctly. It confirms continuity and polarity of the electrical connections. The outlet tester is designed to check that each contact in the outlet is connected to the proper wire in the building’s wiring.