検索キーワード： ナレーター "David Van der Molen" 科学・工学

Where does human energy come from, and where is it going? In this fascinating text, notable inventor Nikola Tesla examines these fundamental questions as he theorizes ways of maximizing human energy. While he thinks like a scientist, Tesla writes like a philosopher, making the text accessible for a wider audience. The Problem of Increasing Human Energy functions as both a valuable contribution to scientific thought and a self-help book for humanity.

Secure, reliable, and pure water, no matter what life throws at you! Master the art of finding, harvesting, filtering, and storing water off the grid, even if you’re just starting your journey into the world of prepping. Does the thought of a citywide water cut-off or tap contamination have you concerned? Are you keen on being highly prepared, capable of sourcing, purifying, and storing water strategically for your family despite the odds?