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Mangrove crabs use optical geometry to enhance conspecific signaling
In the tangled darkness of Southeast Asian mangrove forests, one crab species appears to have evolved a structure that ...
Front Page Detectives on MSN1d
Scientists Prove the Existence of ‘Time Reflection’ for the First Time on a Metal Strip
They succeeded at this experiment by changing the properties of a device and observed waves reversing back in the medium of ...
Intuitive geometric method simplifies inverse design of kirigami
Kirigami is a traditional Japanese art form that entails cutting and folding paper to produce complex three-dimensional (3D) ...
IEEE3d
Incidence Angle Dependence of HH-Polarized C- and L-Band Wintertime Backscatter Over Arctic Sea Ice
Abstract: Synthetic aperture radar (SAR) incidence angle has a significant effect on the microwave backscatter from sea ice. This paper investigates the incidence angle dependence of C- and L-band ...
thorax.bmj4d
Incidence and predictive factors of lower respiratory tract infections among the very elderly in the general population. The Leiden 85-plus Study
Results: The incidence of lower respiratory tract infections among persons aged 85–90 years was 94 (95% CI 80–108) per 1000 person years. After multivariate analysis, history of chronic obstructive ...
IEEE5d
A Rectifier Circuit Insensitive to the Angle of Incidence of Incoming Waves Based on a Wilkinson Power Combiner
The proposed design has two RF inputs and maintains high efficiency over a wide range of incoming incident wave angles. The circuit is based on a Wilkinson power combiner and has two single-diode ...