english: What he did was, he got a transparent pipe — have you seen this demonstration before? — he attached it to a tap. So effectively what you had was, you had a situation where — I'll try and draw the tap and the pipe, actually I'll skip the tap. The taps are hard.
non_english: Čo urobil bolo — on mal transparentnú rúru — videli ste túto demonštráciu pred? Zapojil ju na kohútik. Takže účinne, čo ste mali, bola — mali ste situáciu kde — pokúsim nakresliť kohútik a rúrku, vlastne preskočím kohútik. Ťažko je nakresliť kohútik.