Related by context. Frequent words. (Click for all words.) 45 inductive charging 43 ocean 43 scramjet engine 43 plankton blooms 42 hypersonic flight 42 aerobraking 41 ion propulsion 41 cryogenic temperatures 41 polar regions 41 equatorial Pacific Ocean 40 -# degrees Celsius [001] 40 maglev trains 40 -# degrees Fahrenheit [002] 40 technologically feasible 39 DMFC 39 liquid helium 39 railgun 39 seafloor 39 superconducting magnet 39 sQuba 39 antigravity 39 Sperm whales 39 ocean currents 39 oceanographic 39 phytoplankton blooms 39 cooling 39 jet propulsion 38 thermocline 38 UUV 38 Li Ion battery 38 Soljacic 38 unpowered 38 equator 38 seawater 38 electrochemical reaction 38 tokamak 38 oceans 37 Drake Passage 37 VTOL 37 scramjet 37 equatorial Pacific 37 airflows 37 recirculates 37 super capacitors 37 V2G 37 POWER6 37 gaseous hydrogen 37 microchannel 37 highly maneuverable 37 Arctic Cooling 37 Pacific Ocean 37 Oceanographers 37 sea 37 OTEC 37 numerical simulation 37 gyre 37 metal hydride 37 Greenland glaciers 37 icecaps 37 Arctic Ocean 36 oceanic 36 unpressurized 36 shallow continental shelf 36 volcanic vents 36 thermal dissipation 36 cool 36 coolant temperature 36 attosecond 36 Roaring Forties 36 ocean depths 36 hydrodynamic 36 electric propulsion 36 Polar Regions 36 recharging 36 migrating whales 36 optical tweezers 36 replaceable battery 36 electrically driven 36 #mAh battery [001] 35 FCVs 35 kludge 35 Hoffmayer 35 particle beam 35 heatpipe 35 fluidics 35 microfluidic devices 35 oceanographers 35 temperature salinity 35 cools 35 UCAV 35 inertial 35 Antarctic seas 35 solar powered 35 decarbonisation 35 Compressed air 35 currents 35 Evaporation 35 3G modem 35 Rainwater harvesting 35 seabed 34 upwellings