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Comment Re:Hydrogen as fuel? but water considered dangerou (Score 1) 132

You are picking nits that don't change the result. Regardless of the power that can be extracted from sunlight is 5 watts or 50 watts per square meter that's still a lot of land use for energy compared to nuclear fission.

You were grumbling about cost, and now it's land use? Solar can be placed on domestic roofs, SMRs not so much.

Comment Re:Hydrogen as fuel? but water considered dangerou (Score 1) 132

You really could do with understanding what order of magnitude means.

I was using your definition.

No, you definitely weren't.

If that paper isn't relevant then can you show me what is relevant?

No, go and educate yourself. It might help you. It's not my job to educate those who seem incapable of keeping up with developments.

Comment Re:Hydrogen as fuel? but water considered dangerou (Score 1) 132

You really could do with understanding what order of magnitude means. I read McKays work in it's entirety when published, thank you. It was relevant at the time, but time has moved on and it's out of date. It's still not 1W whichever way you try to argue. Update your figures. And 20% is on the low side for efficiency now, by the way..

Comment Re:Hydrogen as fuel? but water considered dangerou (Score 1) 132

The IPCC shows all forms of electricity produced from the sun as more expensive than nuclear fission,

https://www.ipcc.ch/report/ar6/wg3/downloads/report/IPCC_AR6_WGIII_FOD_Chapter06.pdf. LCOe Solar PV IPCC AR6, Table 6.8. LCOE. $/MWh (2019): Solar PV 41.7-111.6, Wind 28-64, Nuclear 89.3-91.9. LCOE (2030, projected): Solar PV, 38.6-100.8, Wind 21-41, Nuclear, 73.6-79.4. PV can apparently be cheaper than nuclear, overlap, or be a bit more expensive but it is not, as you assert, shown by IPCC to " all forms of electricity produced from the sun as more expensive than nuclear fission"

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