Month: October 2018

Can a canon ball float

Of course a cannonball can float. But there’s a catch. The catch is that it depends on the density of the liquid or fluid you are putting the cannonball in. If the object is less dense than the liquid you are putting in, it…

Mobius strip

The Möbius strip — sometimes called the Möbius band — is named after mathematician and astronomer August Ferdinand Möbius, who came up with the idea in September 1858. Curiously, German mathematician Johann Benedict Listing independently developed the same idea a few months earlier in…

Hussar’s Armour

For better mobility, some light cavalrymen, such as the legendary Polish hussars, wore half armor. The hussars, an elite branch of the Polish army, went into battle in glittering armor on magnificent horses, seldom losing a battle though they were many times outnumbered by…

Cool teachers

The physics of surfing 😉 California cca. 1970

I think you’ll find it’s more complicated than that

I read now and then Ben’s column in The Guardian…so I’m gonna give this one a try 😉 Needless to say that I loved Stiff by M. Roach, but then again I’m sort of morbid dry creature. 😉 Here’s the fun: The way I…