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David P Zimmerman comments

Posted in: Polarized world threatens open internet: ICANN See in context

I don't suppose anyone has ever heard of Namecoin and the .bit address space. It was created for just such a scenario and could be used to completely bypass any government attempt at blocking by DNS censoring.

Then there is TOR which has a complex system to get data to where it needs to go while bypassing ordinary IP addressing systems.

It is also possible to go old school and create your own host files to access sites as long as you know the IP address.

The hardware level is more of an issue when it comes to censoring access as it can be cut or turned off if someone is willing to isolate themselves.

ICANN may come or go and something else may end up taking its place. IPv6 has changed the basic nature of internet addressing but its enormous potential is being hoarded by private companies. IPv6 could give every person a range of addresses that belong to them but that is not how the commercial structure of the internet is currently using it. Instead we are dealing with turn of the century practices that have been warped by the past scarcity of IPv4 addresses.

There is and never will be a scarcity of addresses in the IPv6 address space but companies still charge extra or require a business account to give a person an static IP address.

There is a lot of contention with how things are currently structured so ICANN may be saving the carrot of free static IPv6 addresses to maintain their hold on control of the DNS space when push finally comes to shove.

Life should be interesting to those few who know a bit of how the internet works.

1 ( +2 / -1 )

Posted in: Japan probing links between Chinese balloon, past flying object See in context

Someone asked about rules governing balloon operations and asked if any rules apply.

They do, as mentioned in the FAA page shown below.

https://www.faa.gov/air_traffic/publications/atpubs/atc_html/chap9_section_6.html

China failed to properly inform the FAA of their projected flight path as they were supposed to do, per FAA rules.

0 ( +0 / -0 )

Posted in: Takahama nuclear reactor in Fukui halted after alert goes off See in context

Neutrons, not neutrinos. I doubt they have any neutrino detectors at nuclear power plants as neutrino detectors are quite large things in themselves or a large number of smaller individual detectors like the antarctic "ice cube" neutrino detection array.

If no other indication of issues were found it might have just been a neutron detector failing. Any material that is subjected to neutron bombardment gets changed physically either by physical damage or by the materials it is made up of having their original atomic structure changed to a different isotope of those materials.

Neutrons by themselves don't combine chemically so they have to be detected by ionizing radiation from their collisions. A small number of neutrons will undergo neutron decay and produce hydrogen but that would not be sufficient to provide a rapid reliable test of their presence.

1 ( +1 / -0 )

Posted in: China's trade surplus swells to $877.6 bil as exports grow See in context

Anyone who has bought anything from AliExpress knows why China can export so much. Low costs sell products and government assisted shipping keeps it possible to buy stuff cheaper from China than you can from retailers in the USA. The downside is the long wait times for shipping. You also have to be discerning as there are some very bad deals mixed in with the great deals. There is also the problem that advertising is often just plain false. What they use to get your attention is often an outright fabrication based on what they think you want.

Look at power inverters. Insanely high advertised wattages that when you look at the actual specifications are just not true.

Clothing can be a bargain but sizes and shipping costs have to be carefully watched or it is no bargain at all.

You also have to look at how long a store has been in operation. Many stores last only weeks and then close. Lucky AliExpress gives you the information to make reasonable decisions if you take the time to look for it.

AliExpress also gives insight into how much the USA and other countries mark up items from China and then resell them as their own. You can often find the exact same products on AliExpress and Amazon and compare prices.

It is also worthwhile to examine the reviews from both places as in some cases you can find out that whatever you wanted to buy is just not true as it shows numerous reviews about never receiving or receiving something either wrong or not working.

Chinese merchandise exemplifies "Let the buyer beware".

2 ( +2 / -0 )

Posted in: Toyota pushes zero-emission goals by converting old models See in context

Why does this make me think of "Back to the future 2" and the 2015 hover conversion add?

0 ( +0 / -0 )

Posted in: IAEA: Decision on Fukushima wastewater release up to Japan See in context

In order to refine tritium you need to boil the water that it is in. Tritium water boils at a slightly higher temperature than protium (normal water) and deuterium (heavy but relatively safe water).

What they are saying it that the energy that it would take to boil the water to separate the tritium is cost prohibitive. Boiling sea water will get you a lot of salt which would foul the stills needed to do the boiling and separation.

Tritium is actually rather expensive. If there was enough tritium to cause problems they would be refining it to sell it.

Tritium has a half life of about 12 years. That means half of it will have decayed to regular water in 12 years, in 24 years 75% will have decayed into regular water, and so on.

I am not sure what other miscellaneous radioactive things are the in the saltwater, maybe some isotope of sodium or chlorine?

The danger with tritium is if you drink it, or eat something containing it, there is a chance it will decay while within your body and damage some vital DNA or RNA fragment. Given it decays quickly but not super quickly there is a good chance it would pass through with no effect.

We are exposed to radioactivity all the time. Our bodies are designed to repair the damage from that constant exposure. That makes this tritium release more of a political issue than a true health issue.

I have a failed thyroid gland. I have to take thyroid supplements to stay alive. I probably got this from normal background radiation coupled with the nuclear tests the world was conducting in the 1950s. The amount of radiation involved in this water release is miniscule compared to exposure from nuclear tests done in the 20th century. I mention this because I was adversely effected by radiation but I am not saying be scared, just be aware and study the dangers and be aware that not having nuclear power is also a danger from CO2 production by fossil fuels. Which is worse? Evidence points towards fossil fuels being far more deadly than nuclear energy. Our bodies can repair low level radiation damage. Our bodies can not survive the temperatures that excess CO2 will cause.

4 ( +9 / -5 )

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