MOST scientific discoveries are the result of deliberate experiment. A few, though, occur by chance. One such piece of serendipity has just happened to Wang Changan of Tsinghua University, in Beijing, and Li Ju of the Massachusetts Institute of Technology. Its consequence may be batteries that last up to four times longer than those currently on sale. Dr Wang and Dr Li are materials scientists, and they have been working on tiny particles (known as nanoparticles, because they are mere nanometres...
MOST scientific discoveries are the result of deliberate experiment. A few, though, occur by chance. One such piece of serendipity has just happened to Wang Changan of Tsinghua University, in Beijing, and Li Ju of the Massachusetts Institute of Technology. Its consequence may be batteries that last up to four times longer than those currently on sale. Dr Wang and Dr Li are materials scientists, and they have been working on tiny particles (known as nanoparticles, because they are mere nanometres...
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