Did you have an interesting day?

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My usual mundane commute was interrupted today, which saw me spending much more time in the office then normal, and a much more rushed time getting to my CNS flight.

The day started OK, up at the usual 03:25 for a S,S &S, breakfast and bus to work for a few quick hours of last minute tidy up before our Tassie holiday, commencing tomorrow.

Not long before I would normally start to pack up, a colleague emailed me to say there had been a fairly significant landslide that had taken out the road between me and my first flight of the day! As there was a landslide a few days back between Mt Hagan and Lae (which was causing its own dramas with Jet A1 at HGU), I thought to myself in Sgt Shultz style ... Jolly Joker!

Well as it turned out, it was no joke. A 300m wide chunk of mountain had slid downhill taking out the road I had driven along only a few hours earlier, leaving it totally impassable. So I stayed at my desk working and wondering how I'd explain my no show to Europcar, H-CNS, QF, VA and Peppers......not to mention TID and most importantly my +1 and daughter that I was supposedly meeting in MEL prior to the flight across the strait! The holiday is for our 23rd (I think, close enough) wedding anniversary, our 30th year together and Lisa's birthday, so let's face it, there was only a divorce resting on this carefully enacted and very cunning plan (credit to Baldrick)!

So after some time of drinking coffee (excellent Goroka highlands coffee), I had a brainwave to ring the helipad and inquire as to the availability of a rotary and low and behold, two were available on standby. OK, simple......walk to the nearest bus stop, catch the bus to the helipad and I'm laughing! So after one high altitude walk (which my lungs are not overly adapted to) and one highlands bus trip, I'm at the helipad only to realise I'm not the only one with the same idea. To add to the issue, the Lae-Hagan land slip earlier in the week, where the only track to us, (loosely referred as the Highlands Highway), slid monumentously into a ravine and stopped fuel (not to mention something far more dear to my heart - food) from reaching us and hence limiting supply to the Bell 212 that enticingly beckoned, meaning us early comers (should that go in the "you know you're a frequent flyer when" thread ....... "You beat the other mug punters to the heliport") had to wait for a full payload, which delayed the process a tad! Anyway, we were flown over the slip, to land safely at Suyan village where we had to catch another bus to Kairik airstrip where our usual Twotters were waiting to take us to HGU!

A relief occurred at HGU where we cleared customs, as we weren't entirely sure our ATRs had fuel for CNS and POM was a very real refuelling possibility.

So I started typing this in the H-CNS lounge, thinking "what an ordeal"! What a load of cough! We talk about our "first world problems", yet I've learned 100 houses slid down the hill with the landslide. While I was worried about a holiday, 100 families have lost everything they own (it isn't much, but it was theirs.) and are tonight, out in the cold and rain (at 8000 ft and wet, it's bloody cold), wondering where they will get shelter...where they will get food and how they will start from absolutely nothing!

EDIT: The impending landslip was not secretive with a great rumbling and movement (so I've been told), and thankfully, there have been no identified casualties.
 
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The kind of interesting day I can do without.
Glad you managed to get out and hopefully now are well into the holiday. To read of those who lost their homes in the slide makes me realise how lucky I am.
Enjoy the holiday - no divorce this time!
 
Way too much stress for me to contemplate.

My biggest worry right now is "Has my food poisoning subsided enough for me to go and play golf and whether I have enough energy left over for a ~AUD4 haircut tonight?"

Life can certainly get complex at times.
 
Wow, that beats my day. All I did was drive to Grafton, buy a few orchids and drive home.

The most interesting part was driving through the new tunnel that bypasses the Bangalow Hill. It is now duel highway all the way from Brisbane to just South of Ballina
 
Well that would be an interesting day to write up JohnK - a description of the wonderful meal you ate and then followed up by food poisoning. Again, that's another day I can do without :)
 
You forgot the fourth S - which in the Navy was for Shampoo...

as well as the fifth - for Sh*g...
The fifth most definitely does NOT come into the morning ritual in PNG! :shock:
 
Much more interesting day. I got to listen to a guy talk about the radiation protection of Astronauts going to Mars. Current projections of a 10% fatal cancer risk for the trip. They try to keep it below 3%. Most hit that after about 3 rotations to the ISS. High energy particles (e.g. Fe ions) are really hard to shield against. Apparent blueberries and strawberries have a protective effect. A shame about school pick up for the talk about the award winning dose calculator.

At high altitude you're getting a fair bit of dose as well.
 
Ha!! Well done on the problem solving!!!

And yes, when you learn of others loss and know that on a day to day they suffer significant hardships ie food shelter clothing then you can't help but think "I should shut up".... 1st world problems as they say.

I'm having a very cruisy easter Monday today!! I have a number of jobs to do but might start them tomorrow :p
Doing some cough sc calculations which I've realised will mean I may make VA plat:) But on the down side I'm realising ... this NZ/VA relationship is LOTS trickier than I anticipated!!! I'll book VA when its cheaper and NZ when cheaper as the sc earn is the same but it does muck around significantly with the damn points earn as I was hoping I would get some bonus points.... but the pricing thing is complicating it!! Probably because I'm an NZ resident. What a realisation though....(well, from a 1st world problem geeky points chaser point of view). Outside the AFF world it literally means nothing.

Did I mention my contemplations were with an NZ Sav Blanc??
Also going through hotel "stuff".
Boring in a normal persons world.

I got home yesterday and knew the +1 had gone fishing for easter... but he'd left a massive easter egg on the bed :D:D:D It really is the small things in life that count!! (I think I've trained him well :p;) )
Need to unpack and repack and drive tomorrow...boooh! So there's my day. Mixture of good and bad. No helichoppers!!

p.s. I very much like peppers as a chain!! And am yet to visit Tasmania but its on the list! Have an amazing holiday!
 
Much more interesting day. I got to listen to a guy talk about the radiation protection of Astronauts going to Mars. Current projections of a 10% fatal cancer risk for the trip. They try to keep it below 3%. Most hit that after about 3 rotations to the ISS. High energy particles (e.g. Fe ions) are really hard to shield against. Apparent blueberries and strawberries have a protective effect. A shame about school pick up for the talk about the award winning dose calculator.

At high altitude you're getting a fair bit of dose as well.

Over the Poles and in a Concorde, perhaps it flew at flight level 550. What was the name of the program ? I did not know about the Fe ions.


Ionizing radiation falls on the Earth from space in a continuous stream. This high-energy subatomic particulate radiation originates either from our own sun (solar cosmic radiation) or from other stars (galactic cosmic radiation). It consists of protons (79 per cent), alpha particles (20 per cent) and the nuclei of heavier atoms (one per cent). The radiation enters the atmosphere at high velocity, in some cases approaching that of light. As the ionizing radiation enters the upper regions of the atmosphere, the primary particles collide with atoms within it at altitudes between 60 000 and 120 000 feet to produce a secondary radiation of protons, electrons, neutrons, mesons and gamma rays. Such secondary radiation has considerably less energy than its precursor, but it is capable of intense ionization. Secondary rays penetrate the lower regions of the atmosphere, but although some reach the surface of the Earth, their ionizing power diminishes rapidly at altitudes below 50 000 feet, as further collisions occur with atmospheric molecules as atmospheric density increases. At sea level, the ionizing effect of cosmic radiation is about only one-seventieth of that encountered at an altitude of 70 000 feet.

It also corresponds with the highest concentration of Ozone ~ 100000 feet 70000 feet.
 
My comment was about astronauts, and mostly focussed on those that might go to Mars. The stuff about the earth's atmosphere doesn't really apply. Fe ions in "deep" space, not in the atmosphere.

Magnetic field provides the most protective effect for those of us stuck within the atmosphere.

Over the Poles and in a Concorde, perhaps it flew at flight level 550. What was the name of the program ? I did not know about the Fe ions.


Ionizing radiation falls on the Earth from space in a continuous stream. This high-energy subatomic particulate radiation originates either from our own sun (solar cosmic radiation) or from other stars (galactic cosmic radiation). It consists of protons (79 per cent), alpha particles (20 per cent) and the nuclei of heavier atoms (one per cent). The radiation enters the atmosphere at high velocity, in some cases approaching that of light. As the ionizing radiation enters the upper regions of the atmosphere, the primary particles collide with atoms within it at altitudes between 60 000 and 120 000 feet to produce a secondary radiation of protons, electrons, neutrons, mesons and gamma rays. Such secondary radiation has considerably less energy than its precursor, but it is capable of intense ionization. Secondary rays penetrate the lower regions of the atmosphere, but although some reach the surface of the Earth, their ionizing power diminishes rapidly at altitudes below 50 000 feet, as further collisions occur with atmospheric molecules as atmospheric density increases. At sea level, the ionizing effect of cosmic radiation is about only one-seventieth of that encountered at an altitude of 70 000 feet.

It also corresponds with the highest concentration of Ozone ~ 100000 feet 70000 feet.
 
My comment was about astronauts, and mostly focussed on those that might go to Mars. The stuff about the earth's atmosphere doesn't really apply. Fe ions in "deep" space, not in the atmosphere.

Magnetic field provides the most protective effect for those of us stuck within the atmosphere.

What was the name of the Program ? Thanks for the clearing up the misunderstanding !

The potential to receive higher doses of ionizing radiation at high altitude has some implications for high-flying aircraft and manned spacecraft. Since these craft operate outside the protective effect of most, or all, of the Earth's atmosphere, the dose of cosmic radiation increases. Manned spaceflight, therefore, exposes astronauts to some additional degree of radiation hazard. Although the shell of the craft provides some element of shielding in current spacecraft, it is considerably less effective than the natural shielding provided by the atmosphere. With longer endurance spaceflights being conducted in the International Space Station, and the potential for a manned mission to Mars, there is an inevitable coughulative risk arising from increased received doses of ionizing radiation. During extra-vehicular activity (spacewalks), this problem is exacerbated, since the suits worn by astronauts are even less effective than the structure of the spacecraft in providing a shield against ionizing radiation.
 
What was the name of the Program ? Thanks for the clearing up the misunderstanding !

The potential to receive higher doses of ionizing radiation at high altitude has some implications for high-flying aircraft and manned spacecraft. Since these craft operate outside the protective effect of most, or all, of the Earth's atmosphere, the dose of cosmic radiation increases. Manned spaceflight, therefore, exposes astronauts to some additional degree of radiation hazard. Although the shell of the craft provides some element of shielding in current spacecraft, it is considerably less effective than the natural shielding provided by the atmosphere. With longer endurance spaceflights being conducted in the International Space Station, and the potential for a manned mission to Mars, there is an inevitable coughulative risk arising from increased received doses of ionizing radiation. During extra-vehicular activity (spacewalks), this problem is exacerbated, since the suits worn by astronauts are even less effective than the structure of the spacecraft in providing a shield against ionizing radiation.

According to the bio, the program is called RITRACKS. I assume it's an in-house thing for NASA.

For high energy particles, I'd expect the skin of space craft to provide almost not protection. To repeat the information presented during the talk. They work to a 3% increase in fatal cancer risk as a limit for astronauts. That happens after 3 rotations to the international space station. And a trip to Mars is estimated to be a 10% risk, currently. Apparently the shielding will break down when hit with high energy large particles (i.e. Fe ions), plus there has to be a fair bit of Bremsstrahlung Radiation. plus the weight issues versus payload to orbit and Mars. Overall, it is a nontrivial problem. It also sounds like a fun problem to work on...

There are also implications of cosmic radiation for people who live on the top of hills. Denver has a background dose that is about 4 times the average in Australia, due to cosmic radiations and also elevated radiation in the geology of hills. But the risk per year of this radiation is 0.05%, so 60 years to get to the 3% risk limit for astronauts.

The FAA has a dose calculator website available as well. I posted a link around here recently, but I can't remember the name of the calculator at the moment.
 
I suspect the most dangerous "high energy particle" causing life-endangering fears to astronauts are the components of their own bodies. I would hate to place my life into the hands of a few thousand mathematicians and "rocket scientists"
 
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I suspect the most dangerous "high energy particle" causing life-endangering fears to astronauts are the components of their own bodies. I would hate to place my life into the hands of a few thousand mathematicians and "rocket scientists"

Ha! True I'd just go with the pilot!!! Either NZ or QF!!
 
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