Right. Everyone forgets - or deliberately sweeps under the carpet - that this is not geek culture. Silly Valley was invaded and colonized, at the point that the tools got good enough that there were no barriers to entry, coinciding with there being too much money chasing any possible investment opportunity. You have to actually be an engineer to write C but any fratboy can crank out RoR while chugging brewskis. Or be an "evangelist" or a "designer" or a "program manager" or any of the other weird fluffy job titles that have sprung up, all of which really mean not-an-engineer.
So we should just kick out everyone who came here for a job over the past decade? Does anyone think before coming up with policy reforms or do they just spew out the first thing they can think of that gives them the moral high ground?
I'd shorten that to "what's 'ontologies'"? I did a class on Semantic Web, and spend a fair amount of time reading articles (and a book) about that, and I still don't have any clue what exactly do they mean by "ontology"... It's like the meaning of this word somehow escapes my mind.
Oddly enough, the same thought's occurred to me of an investment firm with very strong ties to the NSA and cryptography community, with offices located in an interesting position relative to both cable landfalls and some government facilities, as well as a reputation for absolute gee-wizardry and completely-beyond-unbelievable investment returns.
To the point that I hesitate to post this even under my pseudonymic profile.
It's absolutely the stuff of very, very, very bad conspiracy theories. I'd love to prove myself wrong.
Don't know why you're being downvoted for this, it's actually pretty smart. Like leaking an unsubstantiated rumor to a reporter but probably with more legal ramifications.
By backchannel I meant via people. As in the Palantir analyst calls up their friends at the CIA/NSA for help. CIA/NSA data collection remains secret, Palantir justify their expense, and NYPD find the guy. The problem is that you can't reproduce your results. The other problem is the erosion of civil liberties - but I'm only speculating with a thought experiment.
I take Low Dose Naltrexone for chronic fatigue. It was an instant fix. A return to an almost forgotten normal. I do get crazy vivid dreams that I remember well and they can be a little disturbing but it is a small price to pay for my life back. I buy the 50mg pills from overseas and dose it down to 4.5mg. It's the only thing that worked for me after years of trying practically everything else. It is super cheap. I think the world would benefit from more people knowing about it.
The plants look waterlogged; the roots need air to breathe.
Drain the water back into the reservoir (use a simple filter to prevent damage to the pump) and just use a schedule for watering.
I used a mechanical timer switch for 15 mins every hour for my hyrdo setup. For soil, such tiny plants, and no lights you would need far less frequency. A general rule of thumb is to give it enough time between waterings to let it get a bit dry.
Oh, thanks for the feedback. There are holes at the bottom of the planter. Is there something different we need to be doing to get it to drain properly?
How much time do you think it should go between waterings? The first batch, we kept waiting for the soil to get really dry, but weren't sure if it should just be not very damp to the touch or like as dry as before we put water in at all.
I would think a purely technical approach to this is flooding the plant every hour, and then measuring the differential of how much water had flooded the roots vs. how much water was pumped out.
If the differential is tending to 0 then it means that not only the soil is saturated, but the plant is as well. This is _quite_ a basic concept, since you do not want a fully saturated soil all of the time.
A proper biological approach is to estimate how much water exactly the plant needs per unit of time, and then make sure the differential is always exactly that amount. This is not an exact science, especially when you're only working with a single plant and your conditions are probably far from ideal.
This approach would easily take into account other hidden variables, such as the rate of evaporation of water from the soil that depends on the ambient temperature. It also scales to hydroponics.
This is basically hydroponics. And by "basically" I mean "exactly". Replace the soil with an inert, porous medium like hardened clay. And if you aerate the water with say, an aquarium pump/stone, you don't even need to drain it...
The drain back into the reservoir is so you don't have to worry adding too much water in one go as it'll just drain back out right away. The soil will only hold a certain amount. By not having the soil soak water back up from the pan you don't need to worry about controlling the amount of water you just need to time the period between waterings. The drier the soil the more water it'll absorb every watering period so it's reasonably self correcting.
A rough ballpark on watering cycles is usually good enough. I'd watch the leaves to give you an idea. I'd stop watering and wait until the leaves show signs of under-watering and then use slightly less time as my watering period. I'd guesstimate based on your setup that the period will be measured in days.
IMHO if you're going to have that much set-up you might as well go hydro.
And, as I'm assuming the real aim is to build cool things perhaps you could use Deep Learning to do leaf classification (Over Watering | Under Watering | OK). That way you could use a webcam to control the watering instead of the sensors. Knowing your watering times and regular classification samples you could use a fourier transform to help identify the optimum watering period. Perhaps someone could do this as an API service. I do Deep Learning on images as my job so if you want I could tell you how to create the training data and once you have that I could train a classifier for you.
Ex eBay employee here. Don't buy or sell on eBay. It's not that no-one there cares, I certainly did, it is that no-one in power cares. The corporate culture is toxic. I worked in bad buyer experience and building algorithms to fix this is trivial. It happens a lot so there is a lot of data and the patterns are simple. The problem is that every fix costs eBay a discernible amount money.
We did customer analysis to show that existing customers were leaving faster than new ones were coming in. Usually people have one bad experience and never come back. They still didn't care and given their culture they will never care until their stock plummets or a real competitor comes along.
Can you elaborate a bit on that ? It seems from afar that both Amazon and Ebay are crashing into eachother.
Amazon, for it's side, is opening up to sellers. From secondhand sellers to etsy type products getting listed on Amazon. It's focus is different: getting many producers/middlemen to list the same products.
Ebay is working to get part of the logistics, payment, etc. in house. Ebay used to be just a listing site. But then payment came into ebay (with a hefty fee raise I might add), and now we see the focus on ebay to classify things the way Amazon does. You're seeing that when you sell something on ebay. Ebay will ask "is it like this ?" and then ask a few questions to determine the exact product.
Seems like both companies are evolving toward the same middle ground.
It's a big nuanced topic but I'll elaborate a bit more.
Amazon has bigger fish to fry than eBay. Amazon can always focus on second hand market place later while leveraging their infrastructure to ensure a win. My bet is that they will take a long time to get around to it. In the meantime phone based and social based have a pretty good shot at competing. This will also take a long time.
eBays efforts to take on Amazon at being Amazon is a total waste of what little focus they have. Like Yahoo, one of the best perks of eBay is that it's hard to get fired. It's very relaxed and people are quite comfortable - why risk an easy / safe job by taking a risk doing something innovative. After a while innovative people get jack of it and leave and all you're left is the lazy and incompetent. There are pockets of excellence within eBay but they're getting smaller. There was a potential for a turnaround when the stock price was $10 but at $30+ no-one is interested.
I can't deal with the 400ms latency. That and the rest of it is why I left and never went back. It's a tech backwater :( So much for Turnbull's 'ideas boom.'
The same government that protects patents and prevents you from buying from overseas suppliers. I buy all my prescription meds direct from India where I pay them with bitcoin. It's the exact same stuff and way cheaper.
Are you sure it's the exact same? There have been studies looking at quality/purity of medications manufactured in different countries, and they don't all have high standards of purity.
