Scientists achieve optical control of phase and group velocities in everyday liquids
The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...
Compoundsemiconductor.net16d
Transforming the current density of AlN Schottky barrier diodes
By delivering a dramatic increase in the current density of AlN Schottky barrier diodes, the team is helping these devices to ...
Frontiers26d
Hyperspectral estimation of chlorophyll density in winter wheat using fractional-order derivative combined with machine learning
2018; Yang et al., 2021). Chlorophyll density (ChD) is an indicator that can evaluate the chlorophyll content of crop populations. During the growth process of wheat, obtaining ChD can be used to ...
ZDNet26d
Slow home internet? 3 simple things I always check first for faster Wi-Fi
Almost every aspect of modern life is affected by our connectivity to the Web. On those rare occasions when my internet provider has an outage, life seems to come to a standstill. Everything from ...
SciTech Daily27d
Scientists May Have Solved the “Mystery Density” Behind Alzheimer’s and Parkinson’s
A new study has identified polyphosphate as a likely “mystery density” within fibrils associated with ... One of those innovations is known as cryogenic electron microscopy, or cryo-EM. “This is a ...
Phys.org29d
Resistance measurement approach successfully observes topological signatures in multiterminal Josephson junctions
Compared to the electron momentum ... the resistance of suitably designed devices rather than the tunneling density of states as had been done previously, as fabrication of devices for resistance ...