Halfbakery: science: energy: thermal: geothermal http://www.halfbakery.com/view/fc=10672:s=c:d=iw:dn=100:ds=A:i=Ideas_20are_20sorted_20alphabetically_2e_3cbr_3e_0d_0a_3ccreated_3e:t=science_3a_20energy_3a_20thermal_3a_20geothermal?op=editview Ideas are sorted alphabetically.<br> <created> Halfbakery (mailto:bakesperson@gmail.com) casting lava (1.5) http://www.halfbakery.com/idea/casting_20lava Centralia Steam Power? (0.5) http://www.halfbakery.com/idea/Centralia_20Steam_20Power_3f Earth Battery (-0.5) http://www.halfbakery.com/idea/Earth_20Battery Geothermal Power Drill (0.0) http://www.halfbakery.com/idea/Geothermal_20Power_20Drill Geothermal Power Reduction Drill (0.5) http://www.halfbakery.com/idea/Geothermal_20Power_20Reduction_20Drill Geothermal Stirling Engine (-2.0) http://www.halfbakery.com/idea/Geothermal_20Stirling_20Engine Geothermal Venting (0.5) http://www.halfbakery.com/idea/Geothermal_20Venting Geothermic Tube (0.5) http://www.halfbakery.com/idea/Geothermic_20Tube Hot Diamond Column (-1.5) http://www.halfbakery.com/idea/Hot_20Diamond_20Column Lava wells (1.0) http://www.halfbakery.com/idea/Lava_20wells Man made geothermal (-1.0) http://www.halfbakery.com/idea/Man_20made_20geothermal Ohm drill (0.5) http://www.halfbakery.com/idea/Ohm_20drill Passive geothermal heat (0.5) http://www.halfbakery.com/idea/Passive_20geothermal_20heat Welsh National Peltier (2.0) http://www.halfbakery.com/idea/Welsh_20National_20Peltier