State-of-the-art perovskite–perovskite tandem solar cells incorporate a water-based poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) hole transport layer in its low bandgap subcell.

Free Australian themed colouring in sheet collections including Aborginal colouring sheets, Australian Animals, Easter, Christmas and popular themes for kids.

IDEAS A book that changed my mind: ‘The Screwtape Letters’ I’m a secular humanist who used to sneer at religion. Now I stand up for it.

Free Jacks 28, SaberCats 22 New England Free Jacks win third straight Major League Rugby championship By Cam Kerry Globe Correspondent,Updated June 28, 2025, 6:48 p.m.

Letters to the Editor: June 27, 2025 A Free Press reader believes the people reviewing compensation for London councillors are "incompetent members of the task force." ...

Erna Buffie, I am with you. I’m sure you feel that you are butting your head against a brick wall in a number of important areas with regard to city services. The city is dragging its feet in ...

In what free country is this kind of behavior of government officials acceptable? There is another interesting aspect to this situation, as well.

Strengthening nuclear reliability, expanding renewables and improving grid efficiency can reduce dependence on oil and gas while keeping the lights on.

The letters and diaries of Oskar Schlemmer by Schlemmer, Oskar, 1888-1943 Publication date 1972 Topics Schlemmer, Oskar, 1888-1943, Painters -- Germany -- Correspondence Publisher Middletown, Conn., ...

We present coarse-grained molecular dynamics simulations of salt-free polyelectrolyte chains in semidilute solutions under simple shear flow, with full hydrodynamic interactions and explicit dipolar ...

In these letters from a traveller selected from Teilhard's private correspondence with relatives, friends, and colleagues during the most productive years of ...