Iron as an inexpensive storage medium for hydrogen(ethz.ch)149 points by bornelsewhere 2 years ago | 89 comments
Electrolysis can solve one of our biggest contamination problems(ethz.ch)173 points by PaulHoule 10 months ago | 52 comments
Rapid extraction of europium from spent fluorescent lamps(ethz.ch)39 points by enopod_ 2 years ago | 5 comments