How spiders use their silk to fly
(10)Some species of spiders are able to fly using the technique of balloon flight (ballooning). Ejects a net of silk fibers until the air friction on the fibers to be large enough to […]
Cat celebrates a goal
A cat in Colombia celebrates a goal with her boss, during that World Cup. Goal!
A mini cannon exasfairo
(11)The machinist Mr. Michal constructed a makeshift six small cannon barrels, and makes us a demonstration of his power.
