551–560 of 583 posts
Engines - replacement of muscle power. A steam engine isn't that hard to make (I built one in high school). The Romans got pretty far without it, but it's hard to see them going further.
The metric system is pretty good
I can't believe they never implemented metric time and dates (calendar). Now we seem to be forever* stuck with what we have - a glaring inconsistency in some fundamental units of measurement. * Forever is a long time; after several civilizations crumble and rebuild, perhaps there will be an opportunity.
The phonograph. The idea of "record something and play it again later" has significantly impacted all of our lives, and was barely even imagined prior to invention
Engines - replacement of muscle power. A steam engine isn't that hard to make (I built one in high school). The Romans got pretty far without it, but it's hard to see them going further.
Interestingly, the Romans might have entered the steam age if their empire had lasted just another few decades - there's a lot of evidence they were on the verge of an industrial revolution - look at their early water-powered textile and grain mills, which weren't seen again for centuries.
The drill and digger (for fossil fuel). "Important" is perhaps a loaded word in this case.
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Wikipedia has a good writeup: https://en.wikipedia.org/wiki/Abundance_of_the_chemical_elem... TL;DR: Stars burn it up.
That table is for the milky way though, not the universe.
Engines - replacement of muscle power. A steam engine isn't that hard to make (I built one in high school). The Romans got pretty far without it, but it's hard to see them going further.
I disagree: http://www.lowtechmagazine.com/2010/03/history-of-human-powe... > "There is no limit to the weight that humans can lift by sheer muscle power. Nor is there a limit to the height to which this weight can be lifted. The only advantage that [powered] cranes have brought us is a higher lifting speed." We moved to engines because they were cheaper, not because we were anywhere near the limits of muscle power.
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That table is for the milky way though, not the universe.
Yeah but all the elemental matter in the universe is like three dust specks floating in a lecture hall. You can ask about the dust specks or the lecture hall interchangeably.
As to your original point though, there doesn’t appear to be too many elements here apart from ionized hydrogen and hydrogen.
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Not surprised you're getting downvoted around here for saying the abortion isn't healthcare. Techies can bury their heads in the sand about it because of their political correctness, but it doesn't change the fact that the procedure does not extend a child's life but ends it.
The crux of the debate is on whether a fetus is a child. Your ‘fact’ calls it that, but it’s one that is rooted in your beliefs rather than some larger truth.