Hardness in a sentence as a noun

Gorilla Glass has Mohs hardness of about 9, so quartz won't scratch it.

Synthetics have a lot less hardness than steel though, and are subject to abrasion.

I think it's the fingernails on chalkboard effect of similar hardness.

Cracks, structural weaknesses and fractures all will cause problems in glass if all you are worried about is hardness.

What does that say about the hardness of making software resilient to attackWell, we already know the answer to that question.

Partly as a result of #1, the relevance of NP-hardness to cryptography in practice is often overstated.

How hard can it be?It turns out that the problem of rendering graphics to a screen quickly is so hard that it actually infects the hardness of other problems.

Tensile strength and Ultimate tensile strength are the actual parameters you want to look it for such road materials and certainly not hardness.

This, along with the fragility of the bones in the human hand and the hardness of the skull, make it pretty clear that we aren't evolved for punching or being punched.

In addition to hardness, they have an exceptionally high thermal conductivity.

It's the difference between"It's an 8 inch chef's knife in a stain-resistant steel"and"It's an 8 inch gyuto-style chef's knife, which is thinner and lighter than the German style knives, but tempered to a higher hardness.

But for iOS, JS stuffs only degrade productivity by extra abstraction, debugging hardness and inferior toolsets.

****, Wikipedia even says in the first paragraph "the Mohs scale is not suitable for accurately gauging the hardness of industrial materials.

There is large body of work from the mid 1980s and early 1990s that addresses the question of hardness, sensitivity and robustness from various statistical physics/computer science collaborations.

I feel I'm in a somewhat unique position to talk about easy/hardness of machine learning; I've been working for several months on a project with a machine learning aspect with a well-cited, respected scientist in the field.

I'm pretty sure the correct definition of hardness/completeness in complexity theory can be boiled down to a sentence that's much more correct than that, especially if you include something like "at least as hard as all other NP problems"

I was hoping they had some novel surface protectant they would pull out and say "sure, this would be bad with ordinary glass, but we've got this special coating that is cheap to produce and will change materials science and we're putting it through final testing now." But no, they literally intend to do this with off-the-shelf tech, appeal to a hardness argument that wouldn't pass a high school chemistry test, and brand everybody who disagrees with them as "irresponsibly misleading" "naysayers".

Hardness definitions

noun

the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale

noun

a quality of water that contains dissolved mineral salts that prevent soap from lathering; "the costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present"

noun

devoid of passion or feeling; hardheartedness

See also: unfeelingness callousness callosity insensibility

noun

the quality of being difficult to do; "he assigned a series of problems of increasing hardness"; "the ruggedness of his exams caused half the class to fail"

See also: ruggedness

noun

excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"