Force Fields

Kaku begins the book with a chapter on force fields. Kaku refers to the force fields and concepts used by the television show Star Trek. Captain Kirk yells for "shields up" when the Starship Enterprise faces a threat by an outside force. The Enterprise relies upon their force fields to protect the Enterprise. Without force fields, the Enterprise would sustain damage and possible ruin.

Kaku describes force fields as being a thin, invisible and impenetrable barrier that can withstand attack from outside forces. It would seem that the advances in science would lead the way to creating these invisible barriers that could protect objects such as the Enterprise or guard cities against terrorist attacks. However, the truth is much more complex.

Kaku carries the topic of force fields throughout the first section. Kaku discusses how force fields defy gravity. Sadly, that means that the hover boards used...