Is there an orbital distance that would allow an object to move at *precisely* the same speed as the ground? |
- Is there an orbital distance that would allow an object to move at *precisely* the same speed as the ground?
- Does electromagnetic radiation, like visible light or radio waves, truly move in a sinusoidal motion as I learned in college?
- Do teenagers and young adults produce more antibodies for a similar dose of pfizer or astrazeneca when compared to older adults?
- Is there a unit of measure of how greasy / slippery / is a compound ?
- Why isn’t capillary action able to make a perpetual motion mashine?
- Do we know the Infection Fatality Ratio for the whole population of The United States?
- Does turning a box of icecream on its side with the top off make it melt faster?
- Will rising sea levels eliminate all sandy beaches from the earth? Or will sand "redistribute" to naturally form new beaches?
- Does speaking a different language affect non verbal comunication?
- Does anyone know of an adhesive that will bond silicone rubber to plexiglass?
- Do humans have bacteria in their body before birth?
- What biological processes in the cell take up the most ATP?
| Posted: 05 Jun 2021 01:10 AM PDT My understanding is that for an object to be in orbit it must travel faster the closer it is to the surface. Perhaps the Earth's rotations is too slow for something to travel the same speed and remain in orbit. But I was curious to know if there was a point in Earth's orbit where you could plant a big anchor or something and it would basically follow the Earth's rotation. [link] [comments]  |
| Posted: 04 Jun 2021 09:45 AM PDT Edit: THANK YOU ALL FOR THE AMAZING RESPONSES! I didn't expect this to blow up this much! I guess some other people had a similar question in their head always! [link] [comments]  |
| Posted: 05 Jun 2021 02:33 AM PDT |
| Is there a unit of measure of how greasy / slippery / is a compound ? Posted: 05 Jun 2021 01:51 AM PDT Some oil/fat seems really greasy, (BBQ residue) whereas some other are less water resistant (vegetal oil) and can be washed off more easily Is there different level of greasiness or it's a simple matter of concentration ? I know for instance that adhesive have different level of stickiness called Tack measured in Newton IIRC [link] [comments]  |
| Why isn’t capillary action able to make a perpetual motion mashine? Posted: 05 Jun 2021 01:16 AM PDT I know it has limits, but what exactly are they? [link] [comments]  |
| Do we know the Infection Fatality Ratio for the whole population of The United States? Posted: 05 Jun 2021 02:18 AM PDT |
| Does turning a box of icecream on its side with the top off make it melt faster? Posted: 04 Jun 2021 11:33 AM PDT I have been pondering this with my grandpa. He usually does this to make it melt faster. It does seem logical; given that cold air is heavier than warm air, it would presumably "spill" out, or the air that has been cooled in the heat exchange will fall down and allow new warm air to exchange heat. But maybe the thermodynamics are more complicated than that. [link] [comments]  |
| Posted: 04 Jun 2021 09:27 PM PDT I'm concerned about the possibility that there may come a point in my lifetime where there are no sandy beaches left on the planet, or they become so rare that they are virtually impossible to visit. Is this a valid concern? [link] [comments]  |
| Does speaking a different language affect non verbal comunication? Posted: 04 Jun 2021 03:42 AM PDT |
| Does anyone know of an adhesive that will bond silicone rubber to plexiglass? Posted: 04 Jun 2021 11:42 AM PDT |
| Do humans have bacteria in their body before birth? Posted: 04 Jun 2021 12:31 AM PDT Bacteria are commonly found in the human body. It's easy to guess (correct me if I'm wrong) that babies pick up their first bacteria from the environment around them, but what about the bacteria inside their body? It's unlikely that we collect the right amount and variety of bacteria to populate our guts, for example. Which leads to the question: are we born already with a gut microbiome, transferred or created before birth? And if so, does the mother "share" it with the baby in her womb through the placenta? If so, I'm surprised that newborns are not a bacteria bomb :') Jokes apart, enlighten me, please! [link] [comments]  |
| What biological processes in the cell take up the most ATP? Posted: 03 Jun 2021 09:33 PM PDT Both on average most of the time, and under conditions of oxidative stress? [link] [comments]  |
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