Simply widening sidewalks and increasing the bike lanes network can boost the number of New York City commuters who choose to take advantage of an option that’s healthy for people and the environment, according to Husain Aziz of Oak Ridge National Labor
Barely wider than a strand of human DNA, magnetic nanoparticles—such as those made from iron and platinum atoms—are promising materials for next-generation recording and storage devices like hard drives.
Snow falls in winter and melts in spring, but what drives the phase change in between?
