What is the problem of brain drain in technology sector

Many scientists infer that when you do things like play video games, watch tv, look at a screen, or even use a computer "brain drain" happens.

Many scientists infer that when you do things like play video games, watch tv, look at a screen, or even use a computer "brain drain" happens.

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.