That nature and the universe are ordered, uniform, and comprehensible is a starting point in science. However, such worldview presuppositions are often taken for granted, rather than explicitly mentioned, in science and in science class. This article takes a worldview perspective and reports from...
The steady-state theory is based on an idea called the “perfect cosmological principle.” It is “perfect” in that it maintains that the universe is uniform not only in space but in time. Thus it is the hypothesis that the large-scale universe has always been the way it is now and ...
The recent discovery of voids provides further impetus for the study of large-scale inhomogeneities. It is proposed to replace the hypothesis of spatial homogeneity by the assumption that the (matter and radiation) content of the universe is on the average uniform, i.e., the equation of state...
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Ontario, Canada. “We expected the expansion to become more uniform on increasingly larger scales, but that’s not what we found.” If confirmed, their findings will result in a new understanding of the origin of structure in the universe and possible revisions to the standard cosmological ...
That was the past, and that's the future. But if you're saying this is a toy model of the whole universe, that background arrow, with which we're all so familiar, just isn't there. This situation in which I have a uniform distribution of particles and in both directions away from...
4a–h). Clustering by the Louvain algorithm58 and visualization by Uniform Manifold Approximation and Projection (UMAP) revealed 34 distinct cell clusters (Fig. 5a). Based on their expression of marker genes, these clusters were assigned to 17 excitatory neuron (Ex) clusters (4–7, 9, 10, ...
It is important to initialize emb to tiny values, such as nn.init.uniform_(a=-1e-4, b=1e-4), to utilize my trick https://github.com/BlinkDL/SmallInitEmb. For the 1.5B RWKV-3, I use Adam (no wd, no dropout) optimizer on 8 * A100 40G. batchSz = 32 * 896, ctxLen = ...
The three most important observations are: 1) The Hubble Law shows that distant objects are receding from us at a rate proportional to their distance — which occurs when there is uniform expansion in all directions. This implies a history where everything was closer together. 2) The ...