The researchers, reporting in a recent issue of Science, speculate that the smoke aerosols may alter the size of droplets within a thundercloud, and that can affect how an electrical charge develops.
In a paper published in the prestigious journal Science, he speculated that thanks to advances in biotechnology, the day would come when devices such as artificial limbs and organs would soon be powered by biofuel cells that create electricity from bodily fluids.
The president of Harvard recently stirred up a storm of protest by speculating that differences in aptitude, rather than discrimination, may explain why fewer women achieve excellence in science.
An American science writer, Jeff Wise, speculated that the single Russian and two Ukrainian passengers hi-jacked the jet on the orders of the Kremlin and flew it to Kazakhstan.
Second, science fiction writers have speculated that, in the far future, it might be possible to create an artificial Greenhouse Effect on Mars by deliberately injecting methane into the atmosphere, since methane is much more potent than carbon dioxide as a greenhouse gas.
Some science-fiction fans have speculated that the Quatermass serials in general, and Quatermass II in particular — with its elements including a conspiracy of silence in the government concerning extraterrestrial life, secret government facilities for alien use, and the silencing of any critic who opposes the government's plans — influenced the successful American series The X-Files (1993 2002).
Mitchell Marcus, chairman of the computer science department at the University of Pennsylvania, speculated that the craft of artificial intelligence -- designing thinking computers -- is a modern realization of the school of Jewish mysticism based on the Kabala.
No. Jeff Wise, the American science writer who had earlier speculated that the jet had been hi-jacked on the orders of the Kremlin and flew it to Kazakhstan now concedes that it is lost in the Indian Ocean.
Scientists and science fiction authors have long speculated that because silicon atoms bond to other atoms in a manner similar to carbon, silicon could form the basis of an alternative biochemistry of life.
Mohanjit Jolly '91 speculated that "departments of sciences such as biology and chemistry will suffer due to increasing emphasis on engineering-only policy at MIT". UROP itself "will expand tremendously" by 2020 because "students are willing learners and motivated workers," Christina Kwon '92 predicted.
