Why Does Velocity Matter?

What constitutes a good literature review and why does its quality matter?

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Static and dry friction due to multiscale surface roughness.

It is shown on the basis of scaling arguments that a disordered interface between two elastic solids will quite generally exhibit static and dry friction (i.e., kinetic friction which does not vanish as the sliding velocity approaches zero) because of Tomlinson-model instabilities that occur for small-length-scale asperities. This provides a possible explanation for why static and dry friction ...

Does a cell protein explain Covid-19 severity

Does a protein on the surface of some of our cells explain why certain people are more at risk from covid-19? The coronavirus attaches to a receptor protein on the surface(ACE) of our cells to gain entry to them. The protein is carried by cells in the nose, lungs and gut. It is possible that variation in how much of this protein people have may help explain why some are more likely to die from ...

Why James ’ Religious Option is Not Forced , and Why It Does Not Matter

Another Flattened Dark Halo: Polar Ring Galaxy A01360801

Knowledge of the shape of dark matter halos is critical to our understanding of galaxy formation, dynamics, and of the nature of dark matter itself. Polar ring galaxies (PRGs) | early-type galaxies deened by their outer rings of gas, dust and stars on orbits nearly perpendicular to those of the central host | provide a rare probe of the vertical-to-radial axis ratio (q = c=a) of dark halos. We ...