open
A network mapping tool that pings IP addresses looking for a response and can discover host names, open communications ports, operating system names and version…
A physical security access control device consisting of an enclosed hallway with interlocking doors on each end where both doors can’t be open at the same time.…
This week we are joined by Maria Varmazis, host of the N2K daily space show, T-Minus. Maria shares an interesting story from Canada on a gentleman who thought h…
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This week on Perpetual Chess I am joined by co-authors of a great new book, Winning the World Open, by GM Joel Benjamin and Harold Scott. Joel Benjamin is a 6 t…
This week’s guest on Perpetual Chess is the ever popular Commentator, Streamer, YouTuber and traveling chess professional, WGM Dina Belenkaya. Dina is a 4 time …
We are trying a new format here on Perpetual Chess and are featuring tournament trip reports from 3 different amateurs who recently competed in the National Ope…
This week our guest is WFM Maaike Keetman. Maaike is a 2016 Dutch Chess Olimpian and youth champion, who is also a Chessable author and member of its content cr…
This week the Adult Improver Series returns with an extremely insightful guest. Dan Bock is a North Carolina-based software engineer and dad, who finally got se…





