The rounded crystals are produced using a technique called organic vapor jet printing, which is similar to the way a 3D printer works, but with a gas (boron subphthalocyanine chloride in this case ...

In this video, I'll be recreating an old demonstration called the Tree of Saturn. To do this, I'll be using a zinc block and lead acetate, both of which I made in previous videos.

Penn State. "New photonic liquid crystals could lead to next-generation displays." ScienceDaily. ScienceDaily, 10 November 2019. <www.sciencedaily.com / releases / 2019 / 11 / 191107170508.htm>.

In apparent contradiction, we have observed that on sodium chloride crystals growing in the presence of cadmium or lead ions the layers are frequently more than 25,000 A. thick and are then ...