The nanodot we all know nanodots are now so just very small particles of gold and the physical vapor part.
我们都知道的纳米点现在只是非常小的金粒子和物理蒸汽部分。
经济学人 Science and technology
Smaller nanodots produce blue light; larger ones produce red.
较小的纳米点会产生蓝光;较大的产生红色。
英语百科
Neodymium magnet toys
In 2009, a number of US companies decided to repackage sphere magnets and sell them as toys. Despite existing toy regulations at the time, Maxfield & Oberton, maker of Buckyballs, told the New York Times that they saw the product on YouTube and repackaged them as Buckyballs.