Here, we locally improved the rotational flexibility of the phenylenediamine linkage structure in polyetherimide (PEI) to decouple the conjugation of the organic molecule. p -Phenylenediamine (5 mol % ...

Thanks to atomic clocks (and all the worldly forces that influence them), scientists know that Earth's rotation has begun to ...

A series of recent patent filings from Safran Aircraft Engines could hint at some of the innovations being contemplated for ...