Goddard also has the interesting framework Core Flight System (cFE/cFS) which is available as open source. Again multiple presentations on it but a nice presentation by Dave McComas on it is here:
Even then, the original code may not be on GitHub. Peojexts like GCC, RTEMS and FreeBSD have the original code somewhere other than GitHub. So all of the code there for these and other projects is not original.
You are wrong on a couple of counts. GCC does support the MPC5xxx CPUs and RTEMS (rtems.org) has run on those processors for over a decade. It has been used in automotive applications. RTEMS also supports the newer qoriq CPUs with SMP support.
I have had an LG Urbane since it first came out about 18 months ago. It is not as geeky looking as most smart watches. It passes for a regular round dial watch since I use a simple watch face that just shows calendar alerts. It was more expensive than the thin and light Seiko it replaced. It is also more useful. I have enjoyed the LG immensely and use it for calendar tracking, Google Fit, flight alerts, maps, etc. I am extremely pleased with it. But I can't see a smart being something I replace frequently enough to make any manufacturer happy.
The battery life tends to be about 30 hours unless I screw up and don't put it in airplane mode when I should. That drains the battery in a hurry. And yes.. it is weird to put a watch in airplane mode.
FWIW I am also happy with my two year old Nexus 6 and won't be buying a new phone for a while either. The new Pixel is just too expensive for the incremental CPU improvement and smaller screen I will be getting. I would rather pay for some home repairs than put nearly USD1000 into a new phone from this generation.
I have had an LG Urbane for a year and IMO it is not that heavy and is decent looking when viewed as just a watch. There are lots of fancy faces available but I use a simple analog one that shows the next calendar item.
I have had an LG Urbane for almost a year. It was a gift from my wife and kids for my birthday. I don't think I ever would have purchased a smart watch on my own but I have really enjoyed it. I have a lot on my work schedule and the notifications are very handy. The directions on my wrist are appreciated especially when walking so I don't have to stare at my phone and look lost. I find it handy to leave my phone on my desk and not have to carry it to get notifications. In general, as someone else said, the extra source of notifications is very useful. There are other applications but personally I didn't invest much effort after I realized I couldn't reliably press the tiny buttons on the calculator applications.
When other people see it light up for a notification, I often get the "is it an iWatch" question. I politely explain that Apple isn't the only company that makes smart watches. The LG Urbane is a round faced watch which actually looks like a nice men's watch. It isn't gimmicky looking. It feels comparable in weight to the Seiko Titanium watch it replaced. It will last about 36 hours on a charge for me but I charge it every night. I show them the features and they usually come away impressed.
If you want a status symbol or expect a magical capability, then you will be disappointed. At Apple prices, a smart watch is a very questionable purchase. But the feature/price ratio is better on the Android side. Plus you have more choice on style.
RTEMS.org already exists as a single process, multi-threaded RTOS with robust POSIX API support. Includes SMP, networking, filesystems, USB, high test coverage, etc. No dual licensing for commercial use. Used heavil by NASA, ESA, high energy physics community, and many industrial users.
I thought it would be of interest that at least the Gamma Burst Monitor on Fermi is running the open source RTEMS real-time operating system. There are multiple references but this is an easy to find one: http://arxiv.org/pdf/0908.0450... This paper details the hardware and some of the timing characteristics of the system. And it has some nice pictures.:)
The study of nuclear rocket engines has a history dating back to the early 1950s. There was a Space Nuclear Propulsion Office until 1972. A NERVA is on exhibit at the US Space and Rocket Center. I also noticed that UAHuntsville and NASA Marshall appear to have been investigating this technology for at least the past few years based on news announcements and published papers. If you want to know what challenges are still ahead and how ready the technology is, checkout some of the recent published material.
I wonder why all the names had square brackets around them: [Fermi], etc. I began to wonder if there was an alternate version of the article that had a different set of names. It was like I image it would be like to read a textbook in North Korea: "Then [Glorious Leader] invented the nuclear bomb." "Later [Glorious Leader] was the first person to walk on the moon".
The Stephenson Alabama Google data center is where the TVA Widows Creek facility was. It is halfway between Chattanooga and Huntsville. It is ~20 miles from the TN/AL border. It will benefit from TVA water and nuclear power being cheap.
Google has announced the conversion of a TVA coal->steam plant in Stephenson Alabama to a data center. It is on the Tennessee River and they expect it to be a net energy producer. TVA has cheap electricity and they always have the river to aid cooling.
I am sure there were/are tax breaks but this is a plant scheduled to close in a small town. If Google's energy claims are semi-correct, it is a good move.
I believe these folks have been doing this for years. They even have been a participant in Google Summer of Code. They gave a presentation on how they could identify objects from cell phone pictures.
Assuming the per mile tax were acceptable, no one has mentioned that it assumes that all miles are driven within their jurisdiction. I drive approximately 10K miles per year including commuting and road trips. Being about 20 miles from the state line in one direction and 60 in another, the road trips end up with most of their miles out of state. This plan would have me fill up the car in another state and pay taxes at home.
Also consider the classic "Wally World" vacation driving trip. I live in the southeastern US. It is approximately 2000 miles to LA. In the past, I have done multiple three week driving trips to the west where my total mileage was between 5000 and 6000 miles[1]. All but say 100 miles of that was out of state but would be taxed by both where I actually drove and purchased fuel and by my state.
[1] The first day out and last day home were long driving days in shifts. We would knock out most of the distance to the first point of interest and actually be doing something the next day. Other drives were shorter and in between attractions. The trips would always include at least a couple of three-five day stays somewhere worthy.
That this would be a new idea surprises me. In 2009, the US had the Car Allowance Rebate System (aka Cash for Clunkers) program which likely helped reduce emissions even it was more of an economic program. Further back, twenty years ago Ventura County offered money to get old clunkers off the road strictly for emissions reasons. In 1995 per the article I link below, "More than 50% of the smog comes from vehicle emissions and a large percentage of that comes from older, pre-1974 clunkers." If you look at the distribution of cars, many are late model, well-maintained, and operating at or very near their peak. But as cars age and lose value, newer cars are built to higher emissions (and safety) standards, the parts get worn, routine maintenance gets done but many repairs aren't done because it isn't worth it based on the value of the vehicle. In areas without emissions testing, there is absolutely zero incentive to worry about it with an older vehicle. I realize this every time I get behind a vehicle that is smoking or burns my eyes because it is in such bad shape. This is not even about zero or low emissions, it is simply about getting extreme polluters off the road.
Bottom line: Encourage people to replace clunkers and keep their vehicle well-maintained.
As an odd aside, there are articles that show a similar distribution of costs in emergency room. A small number of patients dominate ER costs in the US because they have no insurance and chronic conditions. Google that one for yourself.
They sold tabulating machines based on Hollerith cards (yes punch cards). They were indeed put to use for the US census around 1890 if memory serves. These machines were apparently also used by US in tracking who was in the Japanese internment camps.
OTOH, Google Play was launched in March, 2012 (yeah, I was surprised, too!) ; so, I'd still say that Apple's App Store can safely be said to have "come first"...
Nice try there. Thanks for playing.
It may have been renamed Google Play in March 2012 but you could get Android applications from the Android Market long before that. The original Android ADP (aka HTC Dream or T-Mobile G1) had access to the marker. Our friend Wikipedia contradicts your statement and notes the Android Market had a launch date of 22 October 2008. So only July to October difference on the launch dates which more or less makes them concurrently developed.
RTEMS is used as the real-time operating system on multiple computers in the MMS constellation. It is used on the main flight computers as well as instruments. Details in this post:https://lists.rtems.org/pipermail/users/2015-March/028648.html
Slashdot Mirror
There have been multiple public presentations about the software on this mission.
http://flightsoftware.jhuapl.e...
http://flightsoftware.jhuapl.e...
Goddard also has the interesting framework Core Flight System (cFE/cFS) which is available as open source. Again multiple presentations on it but a nice presentation by Dave McComas on it is here:
https://ntrs.nasa.gov/archive/...
Even then, the original code may not be on GitHub. Peojexts like GCC, RTEMS and FreeBSD have the original code somewhere other than GitHub. So all of the code there for these and other projects is not original.
You are wrong on a couple of counts. GCC does support the MPC5xxx CPUs and RTEMS (rtems.org) has run on those processors for over a decade. It has been used in automotive applications. RTEMS also supports the newer qoriq CPUs with SMP support.
I have had an LG Urbane since it first came out about 18 months ago. It is not as geeky looking as most smart watches. It passes for a regular round dial watch since I use a simple watch face that just shows calendar alerts. It was more expensive than the thin and light Seiko it replaced. It is also more useful. I have enjoyed the LG immensely and use it for calendar tracking, Google Fit, flight alerts, maps, etc. I am extremely pleased with it. But I can't see a smart being something I replace frequently enough to make any manufacturer happy.
The battery life tends to be about 30 hours unless I screw up and don't put it in airplane mode when I should. That drains the battery in a hurry. And yes.. it is weird to put a watch in airplane mode.
FWIW I am also happy with my two year old Nexus 6 and won't be buying a new phone for a while either. The new Pixel is just too expensive for the incremental CPU improvement and smaller screen I will be getting. I would rather pay for some home repairs than put nearly USD1000 into a new phone from this generation.
Guess who has two thumbs and refuses to read stories on sites that want me to disable an ad blocker or answer a poll question.
Here's another site hosting the same article which doesn't mind ad blockers.
http://www.upi.com/Odd_News/20...
Cue old man rant on ads being vectors.
Just curious if Curse will be left here in Huntsville. Curse's website sends you to Twitch which has no info.
I have had an LG Urbane for a year and IMO it is not that heavy and is decent looking when viewed as just a watch. There are lots of fancy faces available but I use a simple analog one that shows the next calendar item.
I
I have had an LG Urbane for almost a year. It was a gift from my wife and kids for my birthday. I don't think I ever would have purchased a smart watch on my own but I have really enjoyed it. I have a lot on my work schedule and the notifications are very handy. The directions on my wrist are appreciated especially when walking so I don't have to stare at my phone and look lost. I find it handy to leave my phone on my desk and not have to carry it to get notifications. In general, as someone else said, the extra source of notifications is very useful. There are other applications but personally I didn't invest much effort after I realized I couldn't reliably press the tiny buttons on the calculator applications.
When other people see it light up for a notification, I often get the "is it an iWatch" question. I politely explain that Apple isn't the only company that makes smart watches. The LG Urbane is a round faced watch which actually looks like a nice men's watch. It isn't gimmicky looking. It feels comparable in weight to the Seiko Titanium watch it replaced. It will last about 36 hours on a charge for me but I charge it every night. I show them the features and they usually come away impressed.
If you want a status symbol or expect a magical capability, then you will be disappointed. At Apple prices, a smart watch is a very questionable purchase. But the feature/price ratio is better on the Android side. Plus you have more choice on style.
RTEMS.org already exists as a single process, multi-threaded RTOS with robust POSIX API support. Includes SMP, networking, filesystems, USB, high test coverage, etc. No dual licensing for commercial use. Used heavil by NASA, ESA, high energy physics community, and many industrial users.
I thought it would be of interest that at least the Gamma Burst Monitor on Fermi is running the open source RTEMS real-time operating system. :)
There are multiple references but this is an easy to find one: http://arxiv.org/pdf/0908.0450... This paper details the hardware and some of the timing characteristics of the system. And it has some nice pictures.
Nice to see a new release.
The devil must be in the details.
The study of nuclear rocket engines has a history dating back to the early 1950s. There was a Space Nuclear Propulsion Office until 1972. A NERVA is on exhibit at the US Space and Rocket Center. I also noticed that UAHuntsville and NASA Marshall appear to have been investigating this technology for at least the past few years based on news announcements and published papers. If you want to know what challenges are still ahead and how ready the technology is, checkout some of the recent published material.
I wonder why all the names had square brackets around them: [Fermi], etc. I began to wonder if there was an alternate version of the article that had a different set of names. It was like I image it would be like to read a textbook in North Korea: "Then [Glorious Leader] invented the nuclear bomb." "Later [Glorious Leader] was the first person to walk on the moon".
Cut and pasted from a wiki?
And even if you didn't bother to change it back to Google immediately, the inferior search results quickly will drive you to it.
Things may have changed but I have added a restaurant in the past as part of submitting a review. It didn't take any special magic.
OSF ANDF https://en.wikipedia.org/wiki/...
The Stephenson Alabama Google data center is where the TVA Widows Creek facility was. It is halfway between Chattanooga and Huntsville. It is ~20 miles from the TN/AL border. It will benefit from TVA water and nuclear power being cheap.
Google has announced the conversion of a TVA coal->steam plant in Stephenson Alabama to a data center. It is on the Tennessee River and they expect it to be a net energy producer. TVA has cheap electricity and they always have the river to aid cooling.
I am sure there were/are tax breaks but this is a plant scheduled to close in a small town. If Google's energy claims are semi-correct, it is a good move.
I believe these folks have been doing this for years. They even have been a participant in Google Summer of Code. They gave a presentation on how they could identify objects from cell phone pictures.
Assuming the per mile tax were acceptable, no one has mentioned that it assumes that all miles are driven within their jurisdiction. I drive approximately 10K miles per year including commuting and road trips. Being about 20 miles from the state line in one direction and 60 in another, the road trips end up with most of their miles out of state. This plan would have me fill up the car in another state and pay taxes at home.
Also consider the classic "Wally World" vacation driving trip. I live in the southeastern US. It is approximately 2000 miles to LA. In the past, I have done multiple three week driving trips to the west where my total mileage was between 5000 and 6000 miles[1]. All but say 100 miles of that was out of state but would be taxed by both where I actually drove and purchased fuel and by my state.
[1] The first day out and last day home were long driving days in shifts. We would knock out most of the distance to the first point of interest and actually be doing something the next day. Other drives were shorter and in between attractions. The trips would always include at least a couple of three-five day stays somewhere worthy.
That this would be a new idea surprises me. In 2009, the US had the Car Allowance Rebate System (aka Cash for Clunkers) program which likely helped reduce emissions even it was more of an economic program. Further back, twenty years ago Ventura County offered money to get old clunkers off the road strictly for emissions reasons. In 1995 per the article I link below, "More than 50% of the smog comes from vehicle emissions and a large percentage of that comes from older, pre-1974 clunkers." If you look at the distribution of cars, many are late model, well-maintained, and operating at or very near their peak. But as cars age and lose value, newer cars are built to higher emissions (and safety) standards, the parts get worn, routine maintenance gets done but many repairs aren't done because it isn't worth it based on the value of the vehicle. In areas without emissions testing, there is absolutely zero incentive to worry about it with an older vehicle. I realize this every time I get behind a vehicle that is smoking or burns my eyes because it is in such bad shape. This is not even about zero or low emissions, it is simply about getting extreme polluters off the road.
Bottom line: Encourage people to replace clunkers and keep their vehicle well-maintained.
As an odd aside, there are articles that show a similar distribution of costs in emergency room. A small number of patients dominate ER costs in the US because they have no insurance and chronic conditions. Google that one for yourself.
Ventura County Reference: http://articles.latimes.com/19...
They sold tabulating machines based on Hollerith cards (yes punch cards). They were indeed put to use for the US census around 1890 if memory serves. These machines were apparently also used by US in tracking who was in the Japanese internment camps.
http://en.wikipedia.org/wiki/I...
OTOH, Google Play was launched in March, 2012 (yeah, I was surprised, too!) ; so, I'd still say that Apple's App Store can safely be said to have "come first"...
Nice try there. Thanks for playing.
It may have been renamed Google Play in March 2012 but you could get Android applications from the Android Market long before that. The original Android ADP (aka HTC Dream or T-Mobile G1) had access to the marker. Our friend Wikipedia contradicts your statement and notes the Android Market had a launch date of 22 October 2008. So only July to October difference on the launch dates which more or less makes them concurrently developed.
RTEMS is used as the real-time operating system on multiple computers in the MMS constellation. It is used on the main flight computers as well as instruments. Details in this post:https://lists.rtems.org/pipermail/users/2015-March/028648.html