Nature VS Nurture in Child Development

When a three-month-old, a one-year-old, and a four-year-old look at the same event, they seem to have very different thoughts about it. They seem to transform the light waves and sound waves into different representations, and they use different rules to manipulate those representations. Children don't have just a single, fixed program that gets from input to output. Instead, they seem to switch spontaneously from using one program to using another, more powerful program. That makes babies an...

 Beware Temporal Coupling

When people first sit down to design and architecture or write a program, things tend to be linear. That's the way most people think--do this and then always do that. But thinking this way leads to temporal coupling: coupling in time. Method A must always be called before method B; only one report can be run at a time; you must wait for the screen to redraw before the button click is received. Tick must happen before tock.