Scale Law

Can king-kong really exist?

Answer is No. If King kong existed as potrayed in the films, its weight will be 1000 times (10x10x10) more whereas its leg bone will only be 100 times bigger (10x10). Because of this, its leg will give away because of its body weight

Why beached whale dies?

Due to buoancy of water, whale happily swim in ocean. But if they reach the beach by mistake they get killed by their own weight.

This and more information was read from Physics of the impossible.

Though this book is good in some sections, it is not a worth buying this book. It talks about the different sci-fi themes and their possibilities in near and long term. Talks more about existing sci-fi theme and less about scientific advancements.

Some examples

Teleportation: Some level of teleportation is achieved already (at few atoms level). So, achieving full fledged may just few centuries away
UFO/Extra-terrestrial (ET) : No evidence yet. Talks about Search for ET etc.