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hershel

1,137 karma · joined August 18, 2013

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hershel··on Helsinki’s personalized bus service is like Uber for public transit
Since it's a new model,How is the response from drivers you try to recruit ?
hershel··on Helsinki’s personalized bus service is like Uber for public transit
According to a simulation in[1], If employed at scale, such system would have a mean order time of 5 minutes,a mean wait time of half a minute and a mean ride time of 1.5x of a direct trip.

[1]http://www.floating-content.net/~esa/pub/files/jokinen-fists...

hershel··on Helsinki’s personalized bus service is like Uber for public transit
This is based on a software by ajelo.com which is based on some interesting research:

Why urban mass demand responsive transport?:

http://www.floating-content.net/~esa/pub/files/jokinen-fists...

Demand responsive transport: Models and algorithms:

lib.tkk.fi/Diss/2013/isbn9789526051635/isbn9789526051635.pdf

hershel··on Helsinki’s personalized bus service is like Uber for public transit
I think in this service you order a short time(10 minutes) in advance, and you get optimized routes. That wasn't there before i believe.
hershel··on Helsinki’s personalized bus service is like Uber for public transit
I believe jitneys are different: they have a fixed route. This , by gathering pickup and drop-off points optimizes routes and passengers. The end result is much shorter trips.
hershel··on Helsinki’s personalized bus service is like Uber for public transit
If this will be deployed in UBER's model, i.e. freelanced drivers of vans, this could scale very rapidly very fast.
hershel··on MH370: China releases satellite images of possible crash site
Circa.io does it nicely in an app form, and storify is a crowd sourced platform for doing such stories.
hershel··on How the NSA Plans to Infect “Millions” of Computers with Malware
This time they'll just encrypt everything.
hershel··on My Life as a Retail Worker: Nasty, Brutish, and Cheap
Sweden offers a nice solution to this: responsible unions.

In Sweden there are 2 unions, One for white collar workers and one for blue collar employees. The salary rates/hikes are industry wide.They are usually determined by the competitive part of the economy - the export sector and than applied to everybody.

The unions understand their role as protectors of employees, but on the other hand, understand the need for Sweden to remain competitive and the huge responsibility put on them by representing so many people without hurting the economy. So they come with reasonable demands.

All this is supported by the Swedish mentality of fairness, which makes employees happy just taking their fair share.

hershel··on Popcorn Time – Watch torrent movies instantly
I think if this idea of equivalence between paid and pirated content is taken to it's logical extreme, the result will be less movies being produced.

Maybe it's preferable to keep it as is today: piracy as an option for some and as a force against too much control from the content industry.

hershel··on The Hardware Revolution
The way to reduce the complexity of the hardware is mostly by using good libraries like arduino or mbed(or maybe goot rtos's with plenty of drivers, if there's such a thing). Do you use them ?

And as my example vs the OP's article with arduino, it seems that micro python offers a much better interface to said libraries. Not sure it's only the language, could be also the library implementation.

With regards to performance penalty : micro python has some unique compile mode which brings the speed to maybe 8x of c.

Assuming you're willing to waste some memory and speed(say a first version kickstarter product, or a low/mid volume commercial product) , you also get rid of pointers(which are the source of great complexity and bugs in c) and gets access to much better testing tools via python.

hershel··on The Hardware Revolution
I think the future of this hardware revolution will be python on a microcontroller.It could solve the complexity this article describes while keeping prices realistic for a product:

Micropython[1] is being in development right now,Currently working on a $6 mcu, with a potential for running on a $3/84mhz/3mm*3mm/49-pin mcu with varied peripherals (or maybe even something cheaper).

And as or complexity, this video shows an easy wifi interface[2].

And since it has a C-FFI, developing a first generation of a product in python and optimizing to c in next generations according to market and technical need is a good possibility.

[1]https://github.com/micropython/micropython

[2]https://www.kickstarter.com/projects/214379695/micro-python-...

hershel··on Apple CarPlay
Basic slow models are availble now , so that's a good sign:

http://ideas.4brad.com/navias-induct-officially-sale-250-000

hershel··on Freescale Shrinks World’s Smallest ARM-Based MCU by 15%
Another interesting small mcu is the nrf51822 which is 3.5x3.8mm , it includes bluetooth low energy transceiver and dc-dc converter + 256K/16K flash/ram and it supports the mbed/arduino. It would be also possible to write/adapt a low energy mesh protocol for it.

Another interesting one: stm32f401, cortex-m4 ,84mhz,512KB flash, 96 KB ram, low power and can run python(micro python) - at only 3X3 mm.

hershel··on How pCell works and why its a bigger deal than anyone realizes
Will this technique work for license free systems like WIFI ?
hershel··on Depression is an inflammatory disease; where does inflammation come from? [pdf]
There are companies working on growing omega-3 using algae.
hershel··on Computing 10,000X more efficiently (2010) [pdf]
Singluar computing have built a chip based on this tech, and deployed in a military UAV. It enabled tracking of objects(which ws impossible before due to power constraints), at 6400x the performance/power of other best known methods.

http://www.defensetechbriefs.com/component/content/article/1...

http://proceedings.spiedigitallibrary.org/proceeding.aspx?ar...

From the paper: "The hardware is designed to perform high dynamic range arithmetic with roughly 1% error per operation. Singular has developed and studied varied algorithms for producing high quality results despite the approximate hardware. These studies use a perfect simulation of the accelerator’s arithmetic. Tasks that have been explored include summing thousands of numbers without accumulating error, k-nearest neighbor classification (KNN), foreground/background separation using Gaussian mixture models, iterative reconstruction tomography, deblurring using the Richardson-Lucy deconvolution algorithm, FFTs, radar processing, neural net learning, and other tasks. Most of these algorithms need slight adaptations to prevent cumulative effects of the 1% error, but with those adaptations all perform as desired."

hershel··on Computing 10,000X more efficiently (2010) [pdf]
Who did squire them ?
hershel··on The New TextSecure: Privacy Beyond SMS
Yes, but they mentioned the option of letting people run their own servers.
hershel··on We Need Young People To Take Risks And Build Inspiring Things
You could find a few ideas here:

http://www.reddit.com/r/realproblemsolvers

hershel··on Netflix Agrees to Pay Comcast to End Web Traffic Jam
It's very easy for netflix to educate the users about whose responsible for the issue.
hershel··on $25 Smartphones on Firefox OS to Rock MWC
Does this use the same code in standard firefox , or a different code base?
hershel··on Colorado Pot Tax Proving More Lucrative Than Expected
Marijuana is a drug that encourages people to be less political active(the "laziness" effect) . I would think governments would like such a thing in politically unstable times.
hershel··on Colorado Pot Tax Proving More Lucrative Than Expected
Technically, there are ways to prevent some of the harms of marijuana: Using e-cigarettes and using marijuana strains who mostly contain CBD(which generally has positive effects) and little THC(which creates feelings of paranoia and might have mental health risks) , so there are possible regulatory means to reduce lots of the risks without reducing tax revenue.
hershel··on Harvard supercomputing cluster hijacked to mine Dogecoin
There could be an ASIC for that. There's a new memory interface that works at 10 TB/sec with 16GB memory[1].Currently there's no cpu/gpu architecture in planning that's even close to needing that memory bandwidth, and the manufacturing is expensive.

All this means this tech won't fit decentralization well.

[1]http://www.eetimes.com/author.asp?section_id=36&doc_id=13209...

hershel··on Bitcoin security model: trust by computation
assuming exchanging bitcoin with usd becomes illegal with big enough penalties for both sides, what value would a decentralized exchange have, except for illegal businesses?
hershel··on The Rent Is Too Damn High: The Enormous Cost of Letting Finance Rule
>> You don't see big investments in new technology, science, infrastructure, or other complex and difficult areas because by and large the financiers do not understand these things.

Isn't this the role of of venture capitalists to understand those things(with regards to science and tech), and they build specific expertise to understand those things(including hiring top notch entrepreneurs )? But venture returns are not that great(average 7% annual) which explains the little money invested in them(less than $15 billion in 2013).

hershel··on There is now an API to build low-volume hardware products
Circuithub looks very interesting. Has anybody used their service ? How is it?
hershel··on Facebook
If you really want secure , TextSecure is the best in that regard - according to crypto guys.
hershel··on Bizarre Shadowy Paper-Based Payment System Being Rolled Out Worldwide
Bitcoin is not ready to be marketed to and trusted by the general population as a general currency, since it's so unstable, while i've seen ideas on how to solve this, they kill the currency's appeal as an investment tool, which would seriously hurt adoption.
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