Why you add the voltage of batteries in series?
(6 March 2015)
 

Energy storage with weights for wind turbines
more or less impossible ( 21 June 2014)
 

Perpetuum mobile with accordion-shaped volumes
 (not working, but nice)  (14 june 2015)
 

-Energy by nuclear fusion in a kind of fusor (2013-2017)
According my computer simulation it would be possible to confine
 positive ions and electrons in a static magnetic and electric field!
 

Simple way of understanding mathematical combinations  
(11-1-2016)

Understanding binomial distribution
(23-2-2021)

Proof golden ratio φ is irrational
(25-9-2021)

Artificial gravity?
 (not working) (14-2-2020)