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Technology (Not Science)

AI generated video has gone from "too many fingers, weird artifacting, weird clipping in motion," to "uncanny valley" awfully quickly.

www.threads.com

Andr3wsky (@andr3wsky) on Threads

The problem with AI on social media is that it doesn’t have to be perfect. It just has to pass a cursory glance, which is already more than most people give. Mark my words: once AI becomes ubiquitous, you will see the end of social media. If you are a FT SM content creator, I fear you need to...
www.threads.com www.threads.com
 
There was a thread of videos generated by AI and if you had showed me any of them without telling me they were AI, I would have MAYBE been able to recognize one of them immediately. The others I might have picked out with enough time.

This is really bad in every sense. We’ve used visual evidence, especially video, as a sort of hard truth for as long as we’ve been sentient. We as animals and society are not prepared for how bad things will break when we can’t trust what we see.

This shit desperately needs regulation and I really don’t know how to stop it. Especially galling is the deepfake porn. That kind of shit should have really serious penalties.
 
turkish air 787 on final at dtw.jpg

Took 4 years, but finally spotted a Turkish 787 on final to DTW from my backyard about an hour ago. Depending on winds aloft, our house is often near the final approach path for Rwys 21L/R and 22L/R. I am about 15 miles out from DTW as the crow flies, so I'm WAGing that this plane was 5-6 miles direct-line from my vantage point.

Why is this sorta-grainy pic in the technology thread? Because I captured it on a whim using my Galaxy S24 Ultra's 10MP telephoto camera on 30x zoom. I had assumed it was a Delta A330neo coming back from Europe, until I managed to grab this closer look. I was pleasantly surprised by image quality good enough to make out the tail insignia from that far out. Now obviously, if I had a DLSR with a $1500+ telescopic lens and some much better photography skills, I'm sure I could've had a much better quality shot. ;)
 
My iPhone just complained I have a "Slow Charger." The first step in any revolution is the protests. We are doomed.
 
My phone charging rate is listed in simple W (currently, 8). However, from trying to do unit conversion below that appears to implicitly be for 1 hour, so the charging rate unit seems to actually be Wh.

My battery level claims to be in mAh (currently, 5477 mAh / 8694 mAh = 63%).

mAh = Wh x 1000 / V.

The internet says a cell phone charges at 9 V, so for my phone mAh = Wh x 111, roughly.
Therefore, my charging rate is 8 Wh x 111 = 888 mAh.

I conclude the 8694 mAh - 5477 mAh = 3217 mAh remaining to charge my phone should take at least 3217/888 hours = 3 hours and 48 minutes to reach 100%, but likely longer because after 80% capacity the rate slows to about 6 Wh.

But in the 15 minutes it took me to write this all out, it's at 100%.

So, what happened? Where did I math wrong?
 
Your phone charges at different rates. The heart of the battery can charge extremely fast. The top off part is much slower.

Also heat causes things to slow down.

Also, mAh and Wh are both a capacity. Watts is a rate.
 
dxmnkd316 said:
Your phone charges at different rates. The heart of the battery can charge extremely fast. The top off part is much slower.

Also heat causes things to slow down.

Also, mAh and Wh are both a capacity. Watts is a rate.
Click to expand...
Dang it. How did I not see a post that I am actually, finally, 100% qualified to answer?
 
Kepler said:
My phone charging rate is listed in simple W (currently, 8). However, from trying to do unit conversion below that appears to implicitly be for 1 hour, so the charging rate unit seems to actually be Wh.

My battery level claims to be in mAh (currently, 5477 mAh / 8694 mAh = 63%).

mAh = Wh x 1000 / V.

The internet says a cell phone charges at 9 V, so for my phone mAh = Wh x 111, roughly.
Therefore, my charging rate is 8 Wh x 111 = 888 mAh.

I conclude the 8694 mAh - 5477 mAh = 3217 mAh remaining to charge my phone should take at least 3217/888 hours = 3 hours and 48 minutes to reach 100%, but likely longer because after 80% capacity the rate slows to about 6 Wh.

But in the 15 minutes it took me to write this all out, it's at 100%.

So, what happened? Where did I math wrong?
Click to expand...
W is the correct unit for charging rate. If you charge at 8 W of *power* for an hour, you will have put 8 Wh of *energy* into your battery - same as if you drive 8 mph for an hour, you will have driven 8 miles. Charge for 2 hours at 8W and you will have added 16 Wh, etc.

W is power, which is energy/time. In electricity, the amount of power delivered is voltage * current. Current is measured in Amperes (amps), or milliamps (1/1000th of an Amp). So if you know you are charging at 8 W and the voltage is 9 V, then the current is 8/9 = .888 Amps, or 888 miliamps (not mAh, just milliamps).

So, lazily, you could say that you are charging "at" 888 mA, since the voltage is understood to be 9 V - those two together convert to the actual power of 8 W.

So if you charge "at" 888 mA for an hour, you could, again "lazily" say that you have added 888 mAh to the battery, but that's not an actual unit of energy. Energy is power * time. Power is current * volgage. So the Energy that you've acutally added to the battery is (888 mA * 9 V) * 1 hour = 8 Wh.
 
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