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Will nanotech be good or bad for peace and security?
It could be very bad. Molecular manufacturing will function as a force multiplier for any military that possesses it. First strike options may be seen as more viable than before. The small size, portability, and rapid potential for proliferation will make nano-built weaponry difficult to control and hard to keep out of the hands of terrorists. Needless to say, thesedangersare a major factor in motivating CRN to call for urgent research into solutions.
Why develop MM at all then? As statedabove, it appears inevitable that MM will be developed somewhere, and probably soon. Moreover, anattempted global shutdownof development would not assure anyone's safety or security. Rather, it would drive research underground and could result in a dangerous and unstable black market in arms.
A fresh feed stream containing 4.0 mol% inert gas and a stoichiometric ratio of hydrogen and nitrogen is combined with a recycle stream and is fed to a system to produce ammonia according to the reaction: N2 + 3H2 = 2NH3
The equilibrium constant should vary with temperature according to the relation Kp = ae-b/T use the results of part (b) to determine the values of a and b by a graphical curve-fitting procedure. [Suggestion: Use the spreadsheet program from part (..
The masses of the solutes in each of the solutions are the same. When the solutions are added together, a blood-red precipitate forms. After the reaction has gone to completion, you dry the solid and find that it has a mass of 331.8 g.
One of the classical methods for the determination of the manganese content in steel is to convert all the manganese to the deeply colored permanganate ion and then to measure the absorption of light.
The partition that divides the cylinder is removed and the contents are allowed to reach equilibrium without heat losses to the surroundings. Determine the pressure and temperature in the final state assuming steam to be an ideal-gas. Is ideality..
how much new capital must be supplied to make the purchase?
Evaporation of Sugar Solution in Double Effect Evaporator. A double-effect evaporator with reverse feed is used to concentrate 4536 kg/h of a 10 wt %sugar solution to 50%. Correct equations for the mass, energy balances: Correct inputs& constraints..
A spring (not shown in the figure), whose force opposes the magnetic pull, restrains the motion of the armature. If the operating coil has 1800 turns carrying a current of 1 A, and the gaps are set at 0.125 cm each, find the pull that must be exer..
QUESTION 11 - Steam boiler plant in a petroleum refinery has an overall thermal efficiency on gross C.V . of the fuel of 85 % and an out put of 90720 kg of steam per hour. The steam is produced at a pressure ..
Radioactive copper-64 decays with a half-life of 12.8 days. a. What is the value of k in s^-1? b. A sample contains 28.0 mg 64Cu. How many decay events will be produced in the first second?
The formation of ice during colder weather helps temper the seasonal transition to winter. This is mainly because
When the load is completely removed without change of excitation currents.
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