If you dug a hole straight down to the other side of the earth, what would happen if you dropped something through it? |
- If you dug a hole straight down to the other side of the earth, what would happen if you dropped something through it?
- How do we know if sound cames from behind or from front?
- What gives a steel cable so much more tensile strength than a steel rod?
- How did people find out about the Earth’s core and if other planets have a core?
- Is the extra 1 mg in a dose of aspirin really necessary?
- How did Avogadro find his number/constant?
- Why are Covid tests least accurate when you’re most contagious?
- How does the asymptomatic rate of coronavirus compare to other illnesses?
- Do Microbiologists build immunity to laboratory organisms?
- How is the time energy uncertainty principal related to calculating energies?
- How concerned should we be about potential ADE with future mutations of SARS-CoV-2?
- Before the discovery of surgery to sepaetae them, how did conjoined twins coexist?
| Posted: 01 Feb 2021 03:44 AM PST This is pretending there's no core or anything of that matter that would effect it. How would gravity effect it? What would happen? Would it get stuck in the middle, would it gain enough velocity to shoot out the other side? [link] [comments]  |
| How do we know if sound cames from behind or from front? Posted: 01 Feb 2021 04:32 AM PST We have two ears, so sound going from left or right is slightly delayed in one ear. I believe this is how we can recognize if sound comes from right or left side. But how can one say if sound comes from front or behind? [link] [comments]  |
| What gives a steel cable so much more tensile strength than a steel rod? Posted: 31 Jan 2021 09:31 AM PST |
| How did people find out about the Earth’s core and if other planets have a core? Posted: 31 Jan 2021 01:23 PM PST I'm just wondering because the Earth's core is really deep down that nobody can get to it so I'm wondering how people found out there's a core. Also I know some planets have one and other planets don't but how did scientists find out about them? Also what would happen if the Earth's core somehow got put out? I'm just really curious about it and it was a topic my friends were talking about and it was interesting! I'd love any answers/explanations thank you! 💕 [link] [comments]  |
| Is the extra 1 mg in a dose of aspirin really necessary? Posted: 01 Feb 2021 02:39 AM PST I'm an EMT. Part of our protocol for chest pain is 324mg baby aspirin PO, which is broken down into four 81 mg tablets. Does that extra milligram make a substantial difference? Why not just make it an even 80/320 mg? I've asked my paramedic partner, who has thirty years experience, and he couldn't really tell me anything, and neither could google. This is something I've been wondering for a while now. TYIA [link] [comments]  |
| How did Avogadro find his number/constant? Posted: 31 Jan 2021 10:15 PM PST It greatly baffles me. Also how does that number apply to all atoms/ions/molecules? Or does it even? [link] [comments]  |
| Why are Covid tests least accurate when you’re most contagious? Posted: 31 Jan 2021 11:28 AM PST According to Harvard Health, "the rate of false negatives... varies depending on how long infection has been present: in one study, the false-negative rate was 20% when testing was performed five days after symptoms began, but much higher (up to 100%) earlier in infection" (source 1). So molecular tests are least effective when you first show symptoms, however other studies find people are most contagious during the first five days. "A study published yesterday in The Lancet Microbe shows that COVID-19 is most contagious in the first 5 days after symptom onset" (Source 2). How is this possible? Source 1: https://www.health.harvard.edu/blog/which-test-is-best-for-covid-19-2020081020734 Source 2: https://www.cidrap.umn.edu/news-perspective/2020/11/covid-19-most-contagious-first-5-days-illness-study-finds [link] [comments]  |
| How does the asymptomatic rate of coronavirus compare to other illnesses? Posted: 31 Jan 2021 04:24 PM PST How does the asymptomatic rate of coronavirus compare to other illnesses ? [link] [comments]  |
| Do Microbiologists build immunity to laboratory organisms? Posted: 31 Jan 2021 02:24 PM PST Do microbiologists that work in close proximity to harmful organisms build immunity to them? [link] [comments]  |
| How is the time energy uncertainty principal related to calculating energies? Posted: 31 Jan 2021 10:29 PM PST Say a particle is "created" somehow. Does that mean that the time energy uncertainty principle states that the variance in E decreases? Also, does that mean that if this created particle is put into an infinite square well that it will not have definite energy in a particular eigenstate, but that the variance of the energy will tend to zero as time goes on? [link] [comments]  |
| How concerned should we be about potential ADE with future mutations of SARS-CoV-2? Posted: 31 Jan 2021 09:20 AM PST Should we be concerned that future mutations might completely evade the current vaccines, or worse that antibodies from vaccines (or natural infection) might trigger antibody-dependent enhancement with future variants? Should we be concerned that vaccines and antibody treatments might actually pressure the virus to evolve that way? There is some suspicion that the UK variant was "brewed" in a patient who received antibody treatment (virological.org link below) https://virological.org/.../preliminary-genomic.../563 https://www.nature.com/articles/d41586-021-00149-1 https://www.biorxiv.org/.../10.1101/2020.12.18.423358v1.full [link] [comments]  |
| Before the discovery of surgery to sepaetae them, how did conjoined twins coexist? Posted: 30 Jan 2021 09:46 PM PST |
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