Free energy - does it exist? | Harald Lesch

In certain milieus it is often hailed as the perfect solution to all resource issues: the inexhaustible "free energy". Just a conspiracy theory or actually realistic? Harald Lesch clarifies.
Here you can find more info ...
... Regarding the TeraWatt machine:
www.psiram.com...
peswiki.com/dir...
... Regarding the thermoelectrically pumped LED:
large.stanford....
www.wired.co.uk...
www.prophysik.d...
physics.aps.org...
... And the Turtur-Machine:
www.psiram.com...
This video is a production of the ZDF, in cooperation with objektiv media.
Subscribe? Just click here -
www.youtube.com...
More information about Terra X can be found here - www.terra-x.de
"Leschs Cosmos" can be found on this page - www.zdf.de/wis...
Terra X on Facebook - / zdfterrax
Graphics: Kurzgesagt - In a Nutshell