No fist-bumps allowed – a peculiar WW2 glove-pistol
Small firearms have one advantage - they are easy to hide. On paper Sedgley OSS .38 was not a very powerful or...
Why Robinson helicopters have such tall rotor masts?
A helicopter flies by and to a great surprise of your friends you immediately identify it as a Robinson. With confidence too,...
Convair Sea Dart was a fighter jet seaplane
Fighter jets are highly capable military aircraft, but their range is actually quite limited. This is what makes aircraft carriers so important...
The shortest double-decker coach in the world is only 9 meters long
Double-decker buses have some disadvantages. A higher center of gravity worsens their stability in corner and some lower bridges is a problem...
Why Volkswagen decided not to make the BlueSport sportscar?
There are many words we could use to describe modern Volkswagen cars – serious, reliable, safe, modern, maybe a bit boring. Of...
This boat had 10 meter wheels, but what for?
Humans have been travelling by sea for thousands of years, so it's probably not surprising that there have been quite a few...
Horshoe nails are weirdly interesting and have other applications
It is believed that horses were first domesticated in around 3500 BC. They quickly became an absolute necessity for human civilization -...
Why commercial planes usually fly at 9-13 km altitude?
Getting used to the miracles of technology is the strangest human trait. People are sitting at an altitude of 12 kilometres without...
Why side mirrors in the US have a long warning?
Side mirrors of cars in the United states have a very long warning etched on them - "Objects in the mirror are...
Front-wheel-drive Megola motorcycle wasn’t able to stop
Motorcycle riders know that the city is not the best place to have two-wheeled fun. Traffic lights, crosswalks, traffic jams - you...
Why fire buckets usually do not have a flat bottom?
A bucket is one of those tools that we would find in every house. Fire buckets are much rarer, but you can...