The Twistower is an ultra light floating and rotating tower which can be applied by a solar updraft tower. In principle the tower is a stable twister bound by a rotating thin walled hollow cylinder.

A femtholon represents mass and is a hole in the substance that carries light. At severe collisions light can create femtholons and can orbit around them. The femtholon is a stable particle if the light wave can form a stable standing light wave, from which the forces are in equilibrium with the forces to maintain the hole.

The Recusol™ is a sustainable and cheap central air heating system, which consumes only energy for a small fan, which in most cases already is available in a building. The Recusol™ is a recuperator and a solar collector that recovers both energy from waste ventilation air and from (sun) light....