LAWAL
At Eidapere we will build a pool with floating plant peds with solaroof.
TET consists of multilayer structure. In the center, there is geonet (drainage mat) which is surrounded from both sides by black membrane. Between mebranes and through the drainage geonet water flows. In addition to this both sides of this structure are covered by net and membrane. These surrounding layers contain vacuum for insulation. Basically when water flows through this structure it heats up at daytime or summertime and cools at nighttime or wintertime. So we can create thermic potential. See schematics below.
Idea inspired by Vegard. Here is one version of the wavethrust engine.
Vegard spoke about using a steel wire and a pulley to reverse the direction of upper and lower wings. Here is a simple alternative inspired by drying racks. See drawings.

Fig. 1

Fig. 2
Light, Air, Water And Land
Basic Elements for Existence