If you pay for the photograph, it's a work for hire that belongs to you, absent a contract saying something different.
In the US, that is false. See wikipedia for details; essentially there are several criteria that must be satisfied for work by an independent contractor to be work for hire, including in particular that there must be a written agreement between the parties stating that the work is made for hire.
There is a fascinating account of building a radio in a Japanese POW camp during WWII virtually from scratch.
So we hit upon the idea of taking some tin foil or aluminum foil from the lining of the tea chest from which the Japanese supplied with the rice rations, then by the well known equations for calculating capacity and the relationship of the surface area and spacing of the plates, we built a capacitor or, at least, I built a capacitor which according to calculations should have been about ".01 microfarad."
You are confusing a symbolic representation for a number because the symbol contains numbers in it. It is physically impossible to represent certain numbers using base 10. Pi for example. Is is less obvious, but still a fact that 1/3 and 1/9 are in fact impossible to accurately represent using base 10. The
.1111... is understood to stand for the supremum of the set {0,1/10,11/100,111/1000...}. See Rudin, "Principles of Mathematical Analysis", page 11. Likewise for
The fact that long division or electronic calculators come up with those results is an indication of human accounting for the limitations of our mathematical symptoms.
Calculators produce such results because they are useful approximations of the supremum.
In base 8,
Here you are in error. 7*.111111...= 7*(1/8+1/8^2+1/8^3+...) = 7/8 + 7/8^2 + 7/8^3 +
Note in particular that 7/8+7/80+7/800+... is not equal to 1.
"Anything that makes it easier for our enemies to find targets is madness. The Government must look at outlawing the marketing of such equipment."
Perhaps they should consider banning the ADS-B transmitters, then?
In any case, banning the app would do nothing to anyone with the funds for a SAM. See this document to make your own reciever.
According to Horsfall and his fellow nails-tough tech developers, their carbide electronics can keep working up to temperatures of 900C. This is actually sufficient to withstand immersion in some lavas/magmas, though by no means all. In any case it's difficult to see how any wireless signal could be transmitted through molten minerals, so presumably the inventors are talking more about locating their kit in places within a caldera which - although extremely hot - are not enough so to actually melt rock.
The caldera is not a synonym for lava puddles. They're talking about putting a sensor in the caldera where it can detect gasses. It's not likely to be floating, much less submerged, and in fact that would presumably interfere with the mission of detecting various gasses.
(I've only read the article, not the papers)
The ATSB investigation found that an incorrect flex temp was applied, based on an incorrectly entered aircraft weight. This resulted in a lower than necessary engine thrust and consequently insufficient acceleration and airspeed.
On the others, I will agree with you.
Many people are secretly interested in life.