Thyristors are essentially a diode which has to be "switched on". Unlike diodes they do not conduct electricity until a voltage is applied to the gate. After that they conduct (but in one direction only).

No. Paracetamol is toxic to cats and even very small doses can kill them. Unlike humans paracetamol causes severe damage to a cat's red blood cells, preventing them from carrying oxygen around the body. This starvation of oxygen cause death within hours. In the rare case that a cat survives this far, severe, permanent liver … Read more