University of California, Santa Barbara

Ad-hoc on-demand distance vector routing

An ad-hoc network is the cooperative engagement of acollection of mobile nodes without the required intervention of any centralizedaccess point or existing infrastructure. In th...

Polymer Photovoltaic Cells: Enhanced Efficiencies via a Network of Internal Donor-Acceptor Heterojunctions

The carrier collection efficiency (η c ) and energy conversion efficiency (η e ) of polymer photovoltaic cells were improved by blending of the semiconducting polymer with C 60 ...

Food in the Anthropocene: the EAT–Lancet Commission on healthy diets from sustainable food systems

The Psychophysics Toolbox.

The Psychophysics Toolbox is a software package that supports visual psychophysics. Its routines provide an interface between a high-level interpreted language (MATLAB on the Ma...

Diversity in Tropical Rain Forests and Coral Reefs

The commonly observed high diversity of trees in tropical rain forests and corals on tropical reefs is a nonequilibrium state which, if not disturbed further, will progress towa...

Comparing partitions

The Astropy Project: Building an Open-science Project and Status of the v2.0 Core Package^*

Abstract The Astropy Project supports and fosters the development of open-source and openly developed Python packages that provide commonly needed functionality to the astronomi...

Quantum supremacy using a programmable superconducting processor

The promise of quantum computers is that certain computational tasks might be executed exponentially faster on a quantum processor than on a classical processor1. A fundamental ...

Photoinduced Electron Transfer from a Conducting Polymer to Buckminsterfullerene

Evidence for photoinduced electron transfer from the excited state of a conducting polymer onto buckminsterfullerene, C 60 , is reported. After photo-excitation of the conjugate...

Two-Way Fixed Effects Estimators with Heterogeneous Treatment Effects

Linear regressions with period and group fixed effects are widely used to estimate treatment effects. We show that they estimate weighted sums of the average treatment effects (...