The most likely scenario for a damaging asteroid impact is a city killer. A dangerous asteroid impact like the Tunguska event has about as much power as a single nuclear bomb. Which is enough to take out an entire metropolitan area such an asteroid lands in the middle of a metropolitan area. If we know where an asteroid will hit in advance we can evacuate cities. Months or years of lead time is not hard so we should concentrate on looking for these things.
Why does the conversation always talk of deflection? And making us feel scared because our space program is not up to snuff? When all we need to do is hop in a car and drive away?
In the general case it is true that you can not tell if an program will halt. However most programs do halt and most programmers understand why. Theorem provers present a language to their users that does not admit the general case in which halting is guaranteed which is part of a more important guarantee that all programs can be reduced to a normal form.
Which means that the halting problem is solved for a program written in a language like coq.
The practical challenge seems to be that formal detailed requirements and specifications for algorithms are about as hard to write as the algorithms themselves.
A functional justice system keeps us from descending to the level of personal vengeance and feuding.
It is very sad to see the Justice system failing here.
No one has officially called these prosecutors out on their failings in any other way so we get this. I don't think harassment of these prosecutors and MIT and JSTOR is the appropriate reaction. Nor do I think it is the appropriate reaction that the prosecutors have not been reprimanded and appropriate taken to keep non-sense like this from happening.
How high does this failure in the Justice system go?
The statement that implied DNS servers can implement this is bunk. However BCP38 is the fix. The attack would have been impossible without spoofed IP source addresses.
An application/reflection denial of service attack is actually possible with SNMP and several other protocols. Even if all of the DNS servers were closed this attack could happen.
There is no extra fee to use wifi calling on T-mobile.
So if you have a wifi network in your house you have already setup a call extender that can be used with T-mobile. It can be particularly nice if you travel outside of the US and want to call home. You get local US domestic rates.
There should only be one prefix you have to worry about and if you forget it you can look at any other computer on the network. Then just assign your servers each a small number.
For your case with VMs coming and going it would not be at all hard (and would probably result in better testing) to go the ISP route and assign a unique name to every address and then just report that name to your testers and devs. Reusing the name is exactly the same as reusing the ip address. Then you just have a series of machine names. testvm1, testvm2, testvm3,
Really none of this is very hard, confusing or cumbersome. It just takes someone asking: "How do I make this work?" instead of thinking "Oh no! that is going to be horrible." and looking for excuses not to make it work.
The Republicans have a vision. The space shuttle pork still flowing despite the cancellation of the space shuttle. The republicans call the lack of pork lack of vision because the can't see anything to eat. The Republicans want a return to Apollo where the pork flowed more freely.
Now if someone really wants vision let me propose this. Charge NASA with laying the groundwork for colonizing the solar system. This should include the research (aka robotic probes) to figure out what is out there. This should include making space flight affordable and accessible without being a member of NASA.
Fundamentally space flight is affordable. Right now the fuel cost for a single person to orbit is about $70,000.
One way trips to Mars can be made as cheap as $500,000 if you believe Elon Musk.
A trip to Mars reduce to $500,000 is accessible to the middle class in the United States. Accessible to 100 million or more people. A colonization trip to Mars for $500,000 starts sounding like a good deal on a house given how silly housing prices are on the east and west coast of the United States.
So let's make the vision space flight and space colonization for the middle class. Let's laugh at everyone who suggests the vision for NASA is to give hand outs to the incumbent space companies and their over priced rockets.
Work expands to fill the time available. -- Cyril Northcote Parkinson, "The Economist", 1955