Why rims are measured in inches?
Parts of Europeans cars are pretty much always in metric: 10 mm nut, 15 mm diameter hose and so on. After all, most of the world uses metres, centimetres, kilograms,…
Parts of Europeans cars are pretty much always in metric: 10 mm nut, 15 mm diameter hose and so on. After all, most of the world uses metres, centimetres, kilograms,…
Iceland is one of the few countries in Europe that does not have a railway. There were never any train stations, intercity railways, subways or trams. And no wonder -…
A lot of tractors, bulldozers and some trucks use exhaust flappers - small metal plates that can be seen and heard flapping on top of vertical exhaust pipes. They are…
You may have noticed that some pressure gauges are liquid-filled. These measuring devices are often installed in industrial equipment, hydraulic and other systems. What is that liquid inside and what…
Unique does not necessarily mean beautiful. The Goliath Pionier is not necessarily a beautiful car, but it is so unique that it looks like it came straight out of a…
Some cars have front-hinged bonnets, but most hoods open towards the rear. What are the advantages and disadvantages of these designs? Why one is more popular than the other? To…
Small firearms have one advantage - they are easy to hide. On paper Sedgley OSS .38 was not a very powerful or a very practical weapon. However, no enemy would…
A helicopter flies by and to a great surprise of your friends you immediately identify it as a Robinson. With confidence too, even if it is flying quite far away…
Fighter jets are highly capable military aircraft, but their range is actually quite limited. This is what makes aircraft carriers so important - they are mobile military bases on water,…
Double-decker buses have some disadvantages. A higher center of gravity worsens their stability in corner and some lower bridges is a problem for them. However, double-decker buses do have many…