asteroza + sand   19

Mountain Gravity Energy Storage: A new solution for closing the gap between existing short- and long-term storage technologies - ScienceDirect
MGES is a sand bucket chairlift style energy storage system, that can also carry up water on the side. Interesting takeaway that pumped hydro systems are limited to 1200m height difference due to excessive hydraulic pressure, but a potential energy system based on hauling solids doesn't face this limitation.
sand  bucket  chairlift  ropeway  tramway  potential  energy  gravity  storage  power  generator 
november 2019 by asteroza
falling-particle receiver – Sandia Energy
some sort of falling sand solar heat receiver, attempting to overcome some molten salt solar receiver limitations
Sandia  falling  particle  solar  thermal  heat  receiver  sand  heatsink  storage 
july 2017 by asteroza
Shapeways | blog
waterless, concreteless 3D contour forming structures.This could be a real price breakthrough, provided the forming apparatus can be made cheaply and the inorganic binding ink doesn't cost an arm and a leg, or has other undesirable attributes.
D_Shape  contour  forming  3D  fabbing  fabrication  printing  construction  building  materials  science  research  technology  architecture  sand  inorganic  binding  ink  artificial  sandstone  Delicious 
may 2009 by asteroza

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