A National Look at the Use of Congregate Care in Child Welfare. congregate care.
The idea of a spherical Earth appeared in Greek philosophy with Pythagoras (6th century BC), although most pre-Socratics (6th â 5th century BC) retained the flat Earth model. Aristotle provided evidence for the spherical shape of the Earth on empirical grounds by around 330 BC.
For the NeXT cube is the machine on which the World Wide Web was created by British computer scientist Sir Tim Berners-Lee. It may be hard to believe now, but the worldwide web did not exist 25 years ago - until Sir Tim invented a way of using networks of computers to talk to each other.