There are many stories about how unsafe the garage door could be. Actually if not careful, with some simple tool, it can be broke in within seconds as demonstrated in the following video. I implemented the zip tie protection in
I was listening to the public radio on my way home and heard some stories about somebody got arrested by shooting laser at airplanes. I was fascinated to find how could those people get hold of the laser “weapon” that
It is impossible to keep kids away from computer and network these days. Actually, we should not attempt to do it anyways. They are born in this all digital world, internet is as natural as air and water for them.