Measuring Progress by the Cost of Light

Time is not the only life-enriching resource granted to us by technology. Another is light. Light is so empowering that it serves as the metaphor of choice for a superior intellectual and spiritual state: enlightenment. In the natural world we are plunged into darkness for half of our existence, but human-made light allows us to take back the night for reading, moving about, seeing people’s faces, and otherwise engaging with our surroundings. The economist William Nordhaus has cited the plu...

 Solution to Russel's Paradox

An analysis of the paradoxes to be avoided shows that they all result from a kind of vicious circle. The vicious circles in question arise from supposing that a collection of objects may contain members which can only be defined by means of the collection as a whole. Thus, for example, the collection of propositions will be supposed to contain a proposition stating that “all propositions are either true or false.” It would seem, however, that such a statement could not be legitimate unles...

 Recommendations for Exposing Children to Television

1. Keep the TV off before the child turns 2. I know this is tough to hear for parents who need a break. If you can’t turn it off—if you haven’t created those social networks that can allow you a rest—at least limit your child’s exposure to TV. We live in the real world, after all, and an irritated, overextended parent can be just as harmful to a child’s development as an annoying purple dinosaur. 2. After age 2, help your children choose the shows (and other screen-based expos...