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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 [...]
Did She use Moss to Jam your WiFi?
If you want to block government internet snooping in the space around you maybe you should have an improved version of the moss-powered necklace she is wearing! What is a Moss-Powered Necklace? Any photosynthesising plant [...]
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 [...]
Where’s the Cloud?
How can you con strangers into trusting you with valuable secrets, such as their bank account numbers and passwords, business records, personal information someone could use to blackmail them, nude photos, etc.? Well, if you [...]