…Online at URL https://www.bts.gov/ntl/. 34US Department of Transportation (1997) National Transportation Statistics 1997 (Washington, DC: Bureau of Transportation Statistics). Online at https://www.bts.gov/btsprod/nts/. 35J. H. Ausubel and C. Marchetti (1996) ‘Elektron’, Daedalus 125, 139-169. 36M. Jufer…
…homepage: https://www.elsevier.com/locate/estoc Scrap Recycling and Processing, Institute of Scrap Recycling Industries, A bi-monthly trade journal for the scrap reprocessing industry. Homepage: https://www.isri.org/pubcat00.htm#scrapmag Selected Data Sources (General and Specific) General Organization for…
…(kW), a big increment to the present $200 per kW for a simple turbine and $300-$400 for a combined cycle generator. Present limits of about 100 hertz are not fast…
…The current 100-year pulse of improvement evident in Figure 2 will surely not extinguish ideas for illumination The next century may reveal quite new ways to see in the dark…
…1990); US Department of Transportation, National Transportation Statistics (Washington, DC: Bureau of Transportation Statistics, 1999). Online at https://www.bts.gov/btsprod/nts/. Figure 4. The maximum size of power plants, US. Each line represents…
…numbers now impress in almost every field. In each major sub-field within biology, 100 to 200 schools now award Ph.D.’s. Circa 1990, 182 granted degrees in physics, 169 in mathematics,…
…limit of electric generators is 100 percent. Of course, it can be very difficult to reduce losses in combustion. Still, we may muse that during the next three hundred years…
…higher than 100 years ago. The century’s climate change is barely distinguishable in the statistics, notwithstanding detailed analysis by legions of climatologists. More importantly, the consequent impacts on our food…
…and 100 of paper mill waste, 88 were harvested from forests for fuel in 1993 (figure 3). After rising fourfold since 1970 to about 15% of the total harvest during…
The Census of Marine Life Home Page CoML.org Scientists Gear Up for Effort to Record Ocean Life By REUTERS, February 22, 2001 SYDNEY – Marine scientists from across Australia are…