[-] brianorca@lemmy.world 26 points 2 months ago

Others mention the mouse motion, and monitoring your other traffic to similar sites. When it shows the checkbox, it has already determined you are probably human. If you had suspicious activity, they will give you more advanced tests instead of just a checkbox.

[-] brianorca@lemmy.world 31 points 7 months ago

The guy that invented time zones was solving a problem where each little town had their own time standard. I don't think that was sustainable.

[-] brianorca@lemmy.world 26 points 8 months ago

The yellow hash isn't protecting anything, such as a handicap space or a walkway. It's just saying this one isn't a parking spot because of the big pole in the middle.

[-] brianorca@lemmy.world 49 points 8 months ago

Drowning in stomach acid sounds particularly excruciating.

[-] brianorca@lemmy.world 25 points 8 months ago

Fun fact: pretty much all the helium we have access to comes from alpha decay of heavier atoms, such as natural uranium. An alpha radiation particle is just a "naked" and fast moving helium nucleus. (Missing the electrons.) When this happens deep in the earth, it quickly runs into something, stops moving, and picks up some electrons to make it helium, which can accumulate in certain rocks.

[-] brianorca@lemmy.world 31 points 8 months ago

Orbits are circles or ovals, and the satellite must always be moving to stay in orbit. But the time to go around depends on the distance, so there is a distance where the satellite takes 24 hours to go around, which matches the Earth's rotation, which is geosynchronous. A subset of these is called geostationary, when the orbit is a circle around the equator, so it stays in the same spot of the sky. (Then we can aim a ground antenna just once and don't have to adjust it.) Satellites at this distance add 1/4 second delay to any signal because of light speed. This orbit is very tight, since it can not vary in altitude by more than a few hundred meters. (More than that would cause them to drift east or west out of the assigned spot.) There are a limited number of "slots" in this orbit to keep the satellites safely separated and to prevent their signals from overlapping. Most of these are used for communication, especially TV. A few are for weather, as they can watch an entire hemisphere constantly.

Other satellites operate in a lower orbit. Here the orbital period can be as low as 90 minutes. Most of these orbits are inclined so they pass over most of the earth instead of just the equator. The orbit (circle) stays in one angle while the earth rotates underneath. Satellites here get better images because they are closer to Earth, but take a day (or more) to see everything. They also have greatly reduced light speed delays. These orbits eventually decay because of tiny amounts of air at that altitude.

[-] brianorca@lemmy.world 28 points 9 months ago

iPhone is like ChatGPT. But trying to trademark GPT would be like trademarking "Phone"

[-] brianorca@lemmy.world 87 points 10 months ago

Thought this was already established precedent.

[-] brianorca@lemmy.world 32 points 1 year ago

Maybe. The EU just ruled on Apple Safari, so they may be forced to allow other browsers in their phones.

[-] brianorca@lemmy.world 29 points 1 year ago

If Russia stops fighting, the war ends. If Ukraine stops fighting, Ukraine ends. And Russia is more likely to try again in another neighbor. Like they have multiple times already.

[-] brianorca@lemmy.world 26 points 1 year ago

The sell contract would probably include a full license transfer of all copyright, and probably a non-compete clause.

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brianorca

joined 1 year ago