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A variant of SARS-COVID2 virus has shown 100% lethality in mice genetically modified to mimic human response to viruses. Unlike the original COVID2 virus, this variant affects the brain. Lethal Infection of Human ACE2-Transgenic Mice Caused by SARS-CoV-2-related Pangolin Coronavirus GX_P2V(short_3UTR) sciencecast.org/casts/b8ue1q… #Covid

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Quantum circuit for the fast Fourier transform sciencecast.org/casts/2scj0r… We propose an implementation of the algorithm for the fast Fourier transform (FFT) as a quantum circuit consisting of a combination of some quantum gates. In our implementation, a data sequence is expressed by a tensor product of vector spaces. Namely, our FFT is defined as a transformation of the tensor product of quantum states. It is essentially different from the so-called quantum Fourier transform (QFT) defined to be a linear transformation of the amplitudes for the superposition of quantum states.

TensorFlow Chaotic Prediction and Blow Up sciencecast.org/casts/cpfybk… Predicting the dynamics of chaotic systems is one of the most challenging tasks for neural networks, and machine learning in general. Here we aim to predict the spatiotemporal chaotic dynamics of a high-dimensional non-linear system. In our attempt we use the TensorFlow library, representing the state of the art for deep neural networks training and prediction.

Emergent representations in networks trained with the Forward-Forward algorithm @emaballarin The Backpropagation algorithm, widely used to train neural networks, has often been criticised for its lack of biological realism. In an attempt to find a more biologically plausible alternative, and avoid to back-propagate gradients in favour of using local learning rules, the recently introduced Forward-Forward algorithm replaces the traditional forward and backward passes of Backpropagation with two forward passes. sciencecast.org/casts/sgr32x…