"I used to have a whole set of these, with Fijian currency on them. It's for tourists, so they have some hope of not getting ...

OnePlus Buds 4 deliver an extremely good noise cancelation experience, and pair it with a rich sound output and solid battery life.

In this work, a series of ternary organic solar cells (OSCs) were prepared with polymer PM6 as a donor and two non-fullerene materials, BTP-eC9 and ITIC-Th, with excellent compatibility as acceptors.