JH Ausubel.
Forestry at the Great Divide: Proceedings of the Society of American Foresters 2001 Convention, Society of American Foresters, Bethesda MD
127–138
2002
…innovations, machines and chemicals, especially the latter, hugely increased yields. After World War II, the automobile industry produced solid, cheap, dependable tractors. A tractor pulls as powerfully as 10 to…
JH Ausubel, C Marchetti.
Technological Trajectories and the Human Environment
110–134
1997
Also appeared in Daedalus 125(3):139-169, Summer 1996.
…ultra-high, may have a second life as a bulk carrier aided by relatively cheap electronics, such as thyristors, which are capable of transforming all types of units of electricity into…
JH Ausubel.
World Energy Council Journal
July:
8–16
1998
…of decades, the removal of tropical forests has been estimated at 1 percent per year. Until overcome by better livelihoods, cheap land, cheaper fuels, superior alternative wood products in the…
…cost money. The engineer nodded his head vigorously. He did not expect such a great favor for nothing. That was understood. A special document does not come cheap. Morgulyev was…
…benefit. The warmer it gets, the more air conditioners people buy. And the more air conditioners they buy, the warmer it gets: Air conditioners, after all, are major consumers of…
JH Ausubel.
Technology in Society
14:
187–198
1992
…than bread or milk, or most anything that costs more than one ruble. I tried to buy a record. I was not succeeding. Finally somebody in the line spoke in…
Our Census of Marine Life colleagues exploring Australia ’s reefs have discovered hundreds of undescribed corals and other species, including a little animal that eats the tongues of fish. Browse…
JH Ausubel.
Technology in Society
22:
289–302
2000
…Greater wealth enables people to buy higher speed, and when transit quickens, cities spread. Both average wealth and numbers will grow, so cities will take more land. What are the…
…Environmental Progress PHE collaborates with Environmental Progress, led by Michael Shellenberger, which seeks to lift humans out of poverty, and save the natural environment by removing obstacles to cheap, reliable…
JH Ausubel.
Nature
350:
649–652
1991
…than wind, steam ships rapidly became cheaper as well as faster than sailing ships, because their schedules were more regular and avoided the circuitous routes required by sailing vessels. Transport…