If you have no way of showing that the truth is the truth then how do you know it is the truth?
In an inadvertant way they do.
However they still have the potential to cause similar problems (rust) as reinforcement bars can. That depends on what kind of steel was used and many other things. They do not seem to be a problem at the moment though. The builders also seemed to get lucky as the agregate they used does not react with alkaline moisture which could make it brittle.
The Hover dam is not reinforced but is full of 1 inch diameter steel pipes (that were used for cooling)
If you read the article you would know that the entire frame was printed.
Opportunity. I must get that right.
Really it is fucking amazing that it got there.
Curiosity! Well that is beyond anyone’s expectations. The little thing just keeps going.
All the Pioneer and Ranger missions?
Luna, Cosmos, Zond?
Yep lots of failures.
Do you know how many times the US and Russia failed
The manufactorer may be selling a legal product in many juristictions. It is up to the buyer to determine if it is legal in their juristication.
The people who made it may know but the companies who retail it are not them. And if they are not covered by FCC regulations (different country) why would they care?
Which enemy? The rest of the world?
there are a fair few
Yep you have to ask why.
I was only worried by the"unpaid" part.:)
I don't know how it works in the US. In the UK a security clearence is bound to your employer. Getting a new job involves transfering it.
Mind you getting a SC is easier if you have had one previously.