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What are the physical limits of stamping optical media like blu-ray discs?

Submitted by ChronoX5 t3_103v1hz on January 5, 2023 at 9:45 AM

16 comments

Do cats and dogs see things under blacklight the same as we do?

Submitted by Rowsdower32 t3_zzi3f0 on December 31, 2022 at 1:49 AM

16 comments

266

What assumptions are made about gravity when calculating the gravity within a galaxy?

Submitted by bizzehdee t3_zr2ova on December 20, 2022 at 11:05 PM

16 comments

Could Transcranial Magnetic Stimulation Be Used To Induce Temporary Aphasia?

Submitted by prefrontalobotomy t3_znxffa on December 17, 2022 at 3:52 AM

16 comments

What is the theoretical limit to a helicopters speed?

Submitted by RufusSwink t3_zfetcx on December 7, 2022 at 9:39 PM

16 comments

Are people who live in certain climates less susceptible to the effects of the weather there?

Submitted by dxrknxrth t3_ztc5yv on December 23, 2022 at 10:32 AM

16 comments

What are Serotypes? Are they a kind of Phenotype / Genotype?

Submitted by tanteidaiko t3_zdpa6g on December 6, 2022 at 12:17 AM

16 comments

Did the same strand of virus cause spanish flu and swine flu? if no then how are they different

Submitted by manwithsillymustache t3_zx3fg4 on December 28, 2022 at 7:24 AM

16 comments

How does the body know which allele is dominant and which is recessive?

Submitted by JannickL t3_yze3qb on November 19, 2022 at 3:14 PM

16 comments

I was recently quite blown away on learning that alligators can regrow their tails. I looked up whether crocodiles can do it too and found that they can't. Any insight of why this is the case (i.e. why crocs can't do it)?

Submitted by [deleted] t3_yy12a8 on November 17, 2022 at 8:44 PM

16 comments

Would person with AIDS need to take immunosupressants for transplated organs?

Submitted by qutronix t3_yufck3 on November 13, 2022 at 9:43 PM

16 comments

I am currently writing an essay on prions. Prions are quite specific microorganisms so there is a lot of information about them on the Internet, but not everything. That's why I ask myself here - why are prion diseases incurable?

Submitted by kirsiuu t3_z3hsnj on November 24, 2022 at 11:40 AM

16 comments

How does vaccinating trees work?

Submitted by ra3_14 t3_y5xlef on October 17, 2022 at 1:19 AM

16 comments

Is it possible for an object to travel at a greater speed than its terminal velocity if we apply a greater force?

Submitted by [deleted] t3_xsz6yd on October 1, 2022 at 4:09 PM

16 comments

I was drinking tea and got a hair in it. I rotated the cup but the hair seemed like it was stationary even though I was rotating the cup thinking it would then be on the opposite side of the cup away from my mouth. Why does the hair not rotate along with the cup?

Submitted by Nomorethisplz t3_yff98d on October 28, 2022 at 5:33 AM

16 comments

How do greenhouses actually work?

Submitted by _Dnikeb t3_11tln6y on March 17, 2023 at 9:00 AM

15 comments

Energy can not dissappear or be created, only change form, right? Earth is blasted by the sun 24/7, where does the excess energy go, because I guess it doesn't stay here or we'd cook

Submitted by mr_greenmash t3_11six1y on March 16, 2023 at 3:30 AM

15 comments

Can gravitation lensing massively shift the apparent location of stars?

Submitted by IPv6Guy t3_125z8l8 on March 29, 2023 at 8:10 PM

15 comments

Does the length of the fingers serve a purpose or could two fingers be the same length?

Submitted by Hairy_Lengthiness_41 t3_11bd1ji on February 25, 2023 at 5:28 AM

15 comments

What is structurally stronger; a sphere or a cube?

Submitted by [deleted] t3_117p4py on February 21, 2023 at 12:14 AM

15 comments

How are places picked for “research”?

Submitted by lala_blah t3_1170gud on February 20, 2023 at 7:16 AM

15 comments

Why is Turner's syndrome a problem if only one X chromosome is active?

Submitted by NimishApte t3_116kwy6 on February 19, 2023 at 7:00 PM

15 comments

Is the H5N1 bird flu unusually zoonotic compared to other viruses?

Submitted by PURELY_TO_VOTE t3_10x2tls on February 8, 2023 at 4:09 PM

15 comments

100

What's the mechanism behind smog causing stroke or heart disease?

Submitted by Raul_Endy t3_10vfweb on February 6, 2023 at 7:40 PM

15 comments

120

Is there a term for lake bottoms that "hour glass" (temporarily becomes wider following a "shelf" as the depth increases ) , how do bathymetric maps depict this, and does this have a common affect on turbidity, thermoclines, or other characters?

Submitted by Irisgrower2 t3_10ujc84 on February 5, 2023 at 6:21 PM

15 comments