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Energy and Human Ambitions on a Finite Planet, 2021a

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444<br />

capacity factor, 216, 217<br />

cell structure, 202, 205<br />

c<strong>on</strong>cept, 201–203<br />

efficiency, 204<br />

installati<strong>on</strong>s, 215–217<br />

losses, 203, 204<br />

panel tilt, 208, 208–210, 210<br />

panels, 205–206<br />

peak watts, 210<br />

pros <str<strong>on</strong>g>and</str<strong>on</strong>g> c<strong>on</strong>s, 217–218, 294<br />

residential, see solar, residential<br />

series vs. parallel, 205<br />

theoretical efficiency, 204, 202–205<br />

plan for the future, 27, 316<br />

difficulties, 319–322<br />

growth dependence, 318–319<br />

lack of, 316–318<br />

who would make?, 321–322<br />

Planck spectrum, 199, 200<br />

policy, 47–48, 309–310, 320<br />

populati<strong>on</strong><br />

birth/death rate, 38, 39, 40<br />

demographic transiti<strong>on</strong>, see demographic<br />

transiti<strong>on</strong><br />

history, 31–32<br />

<strong>on</strong>e-child policy, 47<br />

overshoot, 35–38<br />

pers<strong>on</strong>al issues, 46–47<br />

policy, 47–48<br />

selfish?, 46<br />

Tikopia, 47<br />

power, 71–72<br />

electrical, 76–78<br />

power plant, 89, 90, 219, 250<br />

predicament, 332<br />

propane, 76, 335<br />

R-value, 87<br />

rabbits out of a hat, 22, 124<br />

radioactive decay, see nucleus, radioactive<br />

decay<br />

rebound effect, 23<br />

renewable energy, 106, 108, 109, 165, 169<br />

salvati<strong>on</strong>?, 116<br />

share of total, 108–111<br />

resource war, 132, 308<br />

resources, physical, 17, 27<br />

rule of 70, see exp<strong>on</strong>ential, rule of 70<br />

Sagan, Carl, 54<br />

scientific notati<strong>on</strong>, 367–368<br />

sea level rise, see climate change, sea level<br />

rise<br />

ships, 399<br />

solar<br />

batteries, 215<br />

capacity factor, 216, 217<br />

c<strong>on</strong>stant, 11, 167, 203, 206, 206, 211<br />

cost, 211, 215<br />

Earth budget, 11, 166, 167, 211<br />

energy, 106, 108, 109, 165, 197, 211–213<br />

full-sun-equivalent hours, 209<br />

heating, 168<br />

insolati<strong>on</strong>, 168, 207, 206–210<br />

intermittency, 211–212, 221<br />

luminosity, 9, 206<br />

photovoltaics, see photovoltaics<br />

residential, 213–215<br />

c<strong>on</strong>figurati<strong>on</strong>s, 213<br />

sizing, 213–215<br />

suitability, 212<br />

thermal, see solar thermal<br />

transportati<strong>on</strong>?, 212<br />

solar c<strong>on</strong>stant, 11, 167, 203, 206, 211<br />

solar thermal, 218–221<br />

c<strong>on</strong>centrati<strong>on</strong>, 219<br />

efficiency, 220<br />

electricity generati<strong>on</strong>, 219, 219–221, 294<br />

installati<strong>on</strong>s, 220–221<br />

passive heating, 218–219, 294<br />

power tower, 220<br />

pros <str<strong>on</strong>g>and</str<strong>on</strong>g> c<strong>on</strong>s, 221, 294<br />

trough plant, 220<br />

space<br />

accomplishments, 59<br />

cosmic scales, 57<br />

costs, 58<br />

explorati<strong>on</strong>’s role, 61–63<br />

like backpacking, 60<br />

ocean comparis<strong>on</strong>, 60<br />

orbit heights, 59<br />

other planets, 4<br />

planet atmospheres, 61<br />

scale, 54–58<br />

scale factors, 55<br />

Space Shuttle, 59, 62<br />

student questi<strong>on</strong>s, 63<br />

© 2021 T. W. Murphy, Jr.; Creative Comm<strong>on</strong>s Attributi<strong>on</strong>-N<strong>on</strong>Commercial 4.0 Internati<strong>on</strong>al Lic.; Freely available at:<br />

https://escholarship.org/uc/energy_ambiti<strong>on</strong>s.

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