A high-resolution TEM image of the nanoparticles studied in this work. Courtesy: J Belo Most materials expand when they are heated up and contract when cooled down – a phenomenon known as positive ...
Heat of the moment: the thermal expansion coefficient of molybdenum diselenide at 3 nm resolution. The thermal expansion of graphene and several other 2D materials has been measured at a spatial ...
Most materials in our world shrink in volume when cooled and expand when heated. Humans have known this for some time, and have built our civilization with that in mind. Yet, as we seek to expand ...
Some of the most difficult (and most important) experiments in the history of physics had to do with making connections between different concepts. What about the connection between objects moving ...
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