Recent comments in /f/askscience

SkriVanTek t1_j68e9jp wrote

Reply to comment by CrustalTrudger in can gemstones be melted into a gradient? by Acceptable_Shift_247

what about melting the gem stones locally so it is molten only in part and then fusing them together

like a weld. when we want to combine pieces of metal we wouldn’t completely melt them for example

or melting them just above their respective rating points so they still have a high viscosity, limiting diffusion of the individual component elements into each other

or rephrased

what about a process where the components are not in a thermodynamic or kinetic equilibrium?

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ejdj1011 t1_j68ab3a wrote

Reply to What cause each materials to have different maximum stress and strain? by Adventurous-Swim-523

Essentially, differences in the force that binds the atoms / molecules of a material together.

This is due to a combination of subatomic forces and the structure of the material. For example, strain in metals is due to the crystal structure "realigning" itself, one atom at a time. Doing so fills atomic-scale voids and fixes other defects in the structure. Eventually, you run out of such defects, and the stress is instead applied to the crystal bonds themselves. Breaking these bonds breaks the material.

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kytosol t1_j689dp2 wrote

Reply to What sort of cancer prevention mechanisms are used by plants? by iKeyvier

Plants get lots of tumors. If you look at the big knots or bumps on a tree they are usually tumors. The difference with plants and animals is that in plants any cancerous uncontrolled cell growths are usually immobile and can't spread, and therefore don't have much of an impact on the life or critical function of a plant.

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davidgrayPhotography t1_j6896zn wrote

Reply to Would someone whis never seen animation in their life be able to recognize animated humans? by DelVoid

Almost certainly, because they would recognize basic parts of the anatomy that they could see or feel on their own / other peoples' bodies, such as arms and legs.

The human body is also really good (almost too good) at picking out faces, so even if you showed someone who had never seen anime before a character like Yugi Muto who has massive eyes, hair not typically seen on a person, and is often seen carrying weird devices on his arm, they'd be able to work out it was human.

You could take this question further by thinking about some hypotheticals. For example, if a person was chained up, facing a solid wall for their entire life (similar to Plato's Cave), and the only things they saw were the shadows of other humans walking past, would the person be able to identify a human by looking at them, based on what features they saw on the shadows? Or would they see the shadow and the person as two separate beings?

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DaylightsStories t1_j6877oe wrote

Reply to comment by SerialStateLineXer in What sort of cancer prevention mechanisms are used by plants? by iKeyvier

I believe so yes. There is nothing that will carry cells around. Pardon me if I say anything inaccurate about the spread of cancer. My degree is in plants, not animals and certainly not humans so everything I know about that is in relation to mechanisms that plants have. All the animal knowledge I have is sparse and primarily ecological.

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askscience-ModTeam t1_j686vs8 wrote

Reply to How does the female body adjust after years of birth control? by impettingmycat

Thank you for your submission! Unfortunately, your submission has been removed for the following reason(s):

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