The TTL output stage is a rather complicated pushâpull circuit known as a totem-pole output (the transistors, diode, and resistor in the right-most slice of this TTL logic gate circuit). It sinks currents better than it sources current.
The theory for spontaneous generation refers to the idea that life can produced from nonliving things. Lazzaro Spallanzani proposed in his experiement that air was necessary for spontaneous generation.
Italy's 'Ndrangheta crime syndicate is believed haul in more revenue than many Fortune 500 companies. By. Alberto Mucci. Milan, Italy - The 'Ndrangheta crime syndicate - based in Italy's southern Calabria region - is not nearly as well-known as Cosa Nostra, the Sicilian mafia. But the 'Ndrangheta organisation is wealthier and more powerful - with interests spanning the globe from Calabria to Colombia, and as far away as Australia.