Cannone antigrandine

[Franco52]

Hail cannon - Wikipedia, the free encyclopedia

[Franco52]

Aggiungo una foto:

[BesselKn]

Franco, hai letto vero il contenuto del tuo link, per caso?

There is no conclusive evidence in favor of the effectiveness of these devices. A 2006 review by Jon Wieringa and Iwan Holleman in the journal "Meteorologische Zeitschrift" summarized a variety of negative and inconclusive scientific measurements, concluding that "the use of cannons or explosive rockets is waste of money and effort"

[Franco52]

Test con HHO:

Free Energy Blog:2015:05:16 - PESWiki

[giuggiolo0107]

In mio possesso dal lontano 1987!!!!