Half a croissant, on a plate, with a sign in front of it saying '50c'
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science: energy
Subcategories of "science: energy":
Bioenergy    Fossil Fuel    Gravitational 
Hydrogen    Ion Wind    Lightning 
Nuclear    Piezoelectric    Rotational 
Solar    Sonic    Storage 
Tectonic    Thermal    Transmission 
Undead    Water    Wind 

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Ideas are sorted alphabetically.
Ideas in bold have been created this week.
 (+3, -1)  Absorption Index 
   Acid water as a fuel 
 (-2)  arc reactor substitute 
 (+1, -2)  Blue sky energy(tm) one at a time appliances 
 (+2)  Bolt-from-the-blew 
 (+2, -6)  Broken Symmetry and Perpetual Motion 
 (+2, -1)  Burning granite for fuel? 
 (+1)  Clean Energy Filter 
 (+1)  Co-Entropy Hop theory 
   Cosmic Background Crystal Radio 
 (+3, -1)  Deep sea compression 
 (+3, -1)  dune like high frequency energy maker (dust engine) 
   Explosive Power Lines 
   Fresnel-ish lens-ish and Brownian Motion perpetual motion thingy 
 (-4)  Home Appliance Broadcast Power 
   In-Tank Compressor 
 (+2, -3)  Invisible Laser 
 (+12, -1)(+12, -1)  Junior Eco Inventor 
 (+8, -1)  Kelvin Injectionado 
 (-2)  Lagrange point Fusion Reactor 
   lazy universe 
   Longer Days 
 (+3, -1)  Making MWI universes with more white light in them 
 (+12, -1)(+12, -1)  Nested Gas Storage Vessel 
 (-1)  new kind of electomagnetic levitation 
 (+1, -11)(+1, -11)  Nitroglycerine Electrical Generation Plant 
 (+4)  Nuclear Generation Gravity Storage Hybrid 
 (+2)  Power Station With Alcohol Second Stage 
 (-1)  Quantum Energy 
 (+1, -4)  Reciprocating Generator 
   Reward human power generation 
 (-1)  Self Powering Repair Shop 
 (+3, -5)  sodium acetate crystallization tar sand oil 
 (+4, -3)  static electricity suit 
 (+12, -1)(+12, -1)  Sterling engine to recharge my mobile phone 
 (+7, -2)  stirling underwaterwheel generator 
 (+2)  Superreflectance hypothesis 
 (+1, -32)(+1, -32)(+1, -32)  The Banana Torpedo 
 (+6)  The coldest place 
 (+4, -11)(+4, -11)  The Reversed Polarity Inductive Electro-Magnetic Coil 
   Transverse wave gas compressor 
 (+6, -1)  Ultra-Efficient Heating System 
 (+5, -2)  very fast spinning rotor 
 (-12)(-12)(-12)  Your computer will kill us all 

  

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