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Welcome to 4Techies
Techies tend to be interested in, knowledgeable about, and proficient in electronics, software, networking, energy, medicine, weather, Earth, sea, space, mathematics, and everything else that is real or possibly real. However, you will know there is [...]
One-Line Mona Lisa
How many lines would you need to draw a complex grayscale image of Leonardo Da Vinci’s Mona Lisa? The old NTSC (National Television System Committee) analog broadcast TV systems in the United States used 525 [...]
Facebook African Satellite
Facebook’s Facebook’s Drone Network project has seemed naive and unworkable to skeptics. Mark Zuckerberg also may have finally realized that, because he recently announced collaboration with Eutelsat to provide internet service to large parts of Sub-Saharan [...]
Malicious Website Attack Vectors
Website DNS hijacking is a well known way hackers can maliciously substitute their own website content for legitimate content without having to defeat web server security. However, there are other ways most people haven’t thought [...]
FCC Allows Wifi Router Hacking
After strong public push-back to proposed FCC rule changes that would have banned the installation of open-source firmware to improve WiFi router security, the FCC flipped and decided the U.S. public can hack their own [...]