
What are some mind-blowing technologies that exist that most people don’t know about?
Those little black dots on car windows — everybody who’s ever sat in a car has noticed them, but nobody ever told us what they are for (if…

Is Apple facing extinction in the future?
I have been highly critical of Tim Cook as CEO of Apple to the point that I have frequently been accused of being anti-Apple. But, listen, under Cook,…

You are given 28 minutes to hide a JPEG photo in your computer. Afterwards, a hacker will be given 3 minutes to find it. Where do you hide it?
Step 1: Boot up my old tower PC. Step 2: Save the photo on the desktop. Step 3: Shut down the PC. Go make some coffee for when…

What is the hole on the back of passenger airplanes?
You may be probably talking about this, right? The hole at the tail end of the aircraft?? Yeah, this is the exhaust port of the Hidden Powerhouse of the…

If you saw a USB stick lying on the parking lot floor at work, would you pick it up and stick it into your computer to see whom it belongs to?
I actually did find a USB stick in a parking lot once. And I was curious of course so I used an OTG cable and an old android…

I often read that German tanks were “over-engineered” in WW2. What exactly does this mean?
Let’s take it down to something that’s rather more simple. A mortar Here is a french light mortar from WWII This is an incredibly simple design. Everything you need, nothing…

Will gas stations close after electric vehicles become widespread?
No. Well, some of them will, but I actually think there’s a huge market here. First, the bad news… A lot of your “urban gas station” type places…

Why is desert sand not used for construction?
There is a high demand for sand globally and it is widely used in many industries, especially construction. Since deserts are full of sand, it is easy to…

Why do nuclear reactors have to be so big?
Because you keep running the AC. Nuclear fission reactors do not have to be “so big.” This is the SNAP-10A nuclear fission reactor, thermoelectric generator, which generated 500…

What are the images that prove that human engineering has no limits?
1. The cabin of the space shuttle. 2. These wings can lift 640 tons off the ground. 3. A tunnel boring machine. 4. Lamborghini Aventador without rear panels….