You really believe CEOs or business owners are single handedly holding billion dollar businesses together? Why don't these companies regularly die when they die or step down then?
Meh, units should be used at the convenience of us, they are all arbitrarily defined to start with. We still use lots of non-si units, like AUs, minutes seconds and hours, degrees and arc units, or whatever else. Conversion is easier than ever today so I think units should be adapted to the application and use more fractional units when appropriate.
I absolutely hated it as a kid, but once I got into my late 20s I started loving it. A great workout and you can go at your own pace as long as you don't wait until the last minute to get it done.
I see a lot of people that split infrequently use mauls. But personally I think an axe works better once you get a bit of practice. The trick with the axe a lot of people miss at first is to focus on the swing speed, and not as much as delivering force and mass behind the blow. Some species the maul can work better, but 90% of the time I feel like an axe is just a bit less effort and a bit quicker.
I think it very much depends on the wood too, the species and how seasoned it is and how dry it is. Some chunks you can hit it almost anywhere and it will cleave across the entire block, but other woods you will hit a half inch in from the edge of the bark and the board will split under the blade and let it through, but leave a half inch near the edge unsplit that the axe handle hits with full force. Do it enough times and the front edge of the handle can get messed up.
Sometimes you will see wire or something else wrapped up near the top of the handle for that reason to help protect it a bit. But if you get enough practice you can reliably hit with the bottom half or quarter of the axe sticking out of the log so that can't happen.
Not if you also want to get excellent exercise. It would take me no time at all to build a splitter for my tractor if I wanted one, but I plan on chopping by hand until I can't because otherwise I will either be significantly less fit or have to take out additional non-productive time to workout.
And as someone who has split my own firewood by hand for heating for the last 30 years, he definitely knows how to throw around an axe, almost too well because he makes it look easier than it is. But even when everything splits clean, him throwing an axe around for 30+ minutes straight and not being out of breath and able to still talk shows both immense fitness and experience.
I mean many people have seen the same technology multiplier in many other industries too in their life time. And to them calling this an inflection point in humanity and expecting them to either panic or cheer seems crazy. So we automated software tasks and made it faster, welcome to declining wages and marginal improvements to consumers.
You need highly educated individuals, a massive amount of energy expenditure, a massive facility to house your centrifuges, and an active mine to dig up nuclear materials.
It isn't impossible to keep such a secret, but practically it would be incredibly difficult just through the energy requirements and mining scale which would be hard to hide without anybody asking what exactly are you mining and processing.
Don't need much area, depends on the concentration of radioactives. I have a small mine that's just a pegmatite body about the size of a house which produces almost marble-sized chunks of a thorium-uranium mixed metamict mineral (I suspect samarskite but Raman and XRD can't give any ID,) you'd barely notice it from a private airplane's typical flying height, however you could dig the entirety of it up and you'd have enough unprocessed uranium for some real fun.
The release of the Xbox coincided with what I viewed as a big jump in video game players. Even the biggest athletic jocks played a ton of Halo. And then not long after that saw much older people start playing games like CoD:MW as after work entertainment instead of just tv.
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