Not exact matches
Since life originated on the earth in a span much shorter than the present age of the earth, we have additional evidence that the origin of life has a high probability, at least on planets with an abundant
supply of
hydrogen - rich gases,
liquid water and sources of energy.
At the fringes of space, the dual - mode power plant would switch to a conventional rocket engine, drawing on the
liquid hydrogen and a small
supply of
liquid oxygen to propel the winged craft into orbit at a final speed of Mach 25.
it seems a waste of a resource to bury it in the Antarctic when it could be combined with
hydrogen to produce an endless
supply of cheap
liquid fuels.
Carbon capture from air seems simple and industrially scalable — see for instance http://www.carbonengineering.com/ — but it seems a waste of a resource to bury it in the Antarctic when it could be combined with
hydrogen to produce an endless
supply of cheap
liquid fuels.
H2O and CO2 can
supply the feedstock for all the
liquid fuels currently used for transportation, which are just various molecular recombinations of
hydrogen and carbon.
Onboard, self - powered,
hydrogen on demand from
liquid fuel is way more practical than using conventional land - based electrolysis to
supply ultra high pressure tanks with the bulky gas.