How Things Work this is the Edheads website for simple machines.

The technological extension of our minds and brains by chips and nets has granted great power to billions of people, but even in the early years of always-on, it is clear to even technology enthusiasts like me that this power will certainly mislead, mesmerize and distract those who haven't learned - were never taught - how to exert some degree of mental control over our use of laptop, handheld, earbudded media.