The results of that article are at least highly questionable or straight up wrong though. The Fraunhofer Institute had a look at it, found wrong data and calculations and ended their response with
However, it does not seem expedient to make a detailed analysis of the data due to the fundamentally flawed method.
The results of that article are at least highly questionable or straight up wrong though. The Fraunhofer Institute had a look at it, found wrong data and calculations and ended their response with
Source