0¼0¼0¼1¼-1¼-1¼-1¼Uranium enrichment¼Enriching uranium raises the proportion of fissile nuclei. Essential for nuclear weapons.¼7¼-1¼-1¼-1¼-1¼-1¼-1¼-1¼-1
1¼0¼120¼2¼-1¼-1¼-1¼Atom bomb¼Very dangerous fission bomb made by splitting uranium nuclei.¼8¼-1¼-1¼-1¼-1¼-1¼-1¼-1¼-1
2¼0¼300¼3¼-1¼-1¼-1¼Plutonium production¼Breeder reactors produce weapons-grade plutonium by irradiating uranium.¼10¼-1¼-1¼-1¼-1¼-1¼-1¼-1¼-1
3¼0¼180¼4¼-1¼-1¼-1¼Composite core¼Composite cores consisting of concentric shells of fissile materials produce these more efficient low-yield weapons.¼11¼-1¼-1¼-1¼-1¼-1¼-1¼-1¼-1
4¼0¼300¼-1¼-1¼-1¼-1¼Fractional crit¼This allows much smaller nuclear weapons to be build by producing the reaction at a fraction of critical mass.¼13¼-1¼-1¼-1¼-1¼-1¼-1¼-1¼-1
5¼1¼0¼6¼-1¼-1¼-1¼Room-and-pillar mining¼This traditional mining method leaves behind 'pillars' in the seam being extracted to support the roof of the mine.¼-1¼7¼-1¼-1¼-1¼-1¼-1¼-1¼-1
6¼1¼250¼7¼-1¼-1¼-1¼Continuous miner¼This method of mining is similar to room-and-pillar mining except that a single machine is used to mine at the face and load the mineral into a hauling unit.¼-1¼8¼-1¼-1¼-1¼-1¼-1¼-1¼-1
7¼1¼300¼8¼-1¼-1¼-1¼Longwall miner¼This kind of extraction removes the mineral in large blocks from the seam.¼-1¼9¼-1¼-1¼-1¼-1¼-1¼-1¼-1
8¼1¼200¼9¼-1¼-1¼-1¼Roof supports¼Self-advancing roof supports dramatically improve the efficiency of your mines. ¼-1¼11¼-1¼-1¼-1¼-1¼-1¼-1¼-1
9¼1¼200¼-1¼-1¼-1¼-1¼Shortwall mining¼Works like longwall mining, except that as the blocks are smaller, they can be extracted using a continuous miner.¼-1¼12¼-1¼-1¼-1¼-1¼-1¼-1¼-1
10¼2¼0¼11¼-1¼-1¼-1¼Fertilizers¼The next generation of fertilizers will intensify crop production by combining various plant nutrients.¼-1¼-1¼7¼7¼-1¼-1¼-1¼-1¼-1
11¼2¼100¼12¼-1¼-1¼-1¼Pesticides¼Chlorinated insecticides are the future of farming. They are more effective than any previous methods of pest control.¼-1¼-1¼8¼8¼-1¼-1¼-1¼-1¼-1
12¼2¼250¼13¼-1¼-1¼-1¼Biological control¼Biological methods of pest control include sterilizing or introducing lethal genes into insect populations.¼-1¼-1¼9¼9¼-1¼-1¼-1¼-1¼-1
13¼2¼300¼14¼-1¼-1¼-1¼Herbicides¼New low-dosage organic herbicides allow you to kill unwanted plants without threatening other wildlife.¼-1¼-1¼10¼10¼-1¼-1¼-1¼-1¼-1
14¼2¼200¼-1¼-1¼-1¼-1¼Preservatives¼Chemical additives can be added to food or crops to prevent spoilage such as the growth of moulds or bacteria, and to prevent or delay oxygenation.¼-1¼-1¼11¼11¼-1¼-1¼-1¼-1¼-1
15¼3¼0¼16¼-1¼-1¼-1¼Production lines¼The production line relies on a conveyor belt and careful synchronization and task management to reduce assembly times.¼-1¼-1¼-1¼-1¼7¼7¼-1¼-1¼-1
16¼3¼200¼17¼-1¼-1¼-1¼Transfer machines¼The transfer machine takes automation one step further by moving work pieces from workstation to workstation and lines them up for the next stage in the assembly process.¼-1¼-1¼-1¼-1¼8¼8¼-1¼-1¼-1
17¼3¼150¼18¼-1¼-1¼-1¼Automatic control systems¼Control systems become indispensable to the efficient running of production lines. Multiple-loop systems of feedback and correction further refine the manufacturing process.¼-1¼-1¼-1¼-1¼9¼9¼-1¼-1¼-1
18¼3¼200¼-1¼-1¼-1¼-1¼Computer process control¼Computer process control allows a computer to regulate the running of the manufacturing process. ¼-1¼-1¼-1¼-1¼12¼12¼-1¼-1¼-1
19¼4¼0¼20¼-1¼-1¼-1¼Electron tube¼Consists of sealed glass or metal enclosure, which acts as a valve to control the flow of electrons in a circuit. Exists in many different varieties and is extensively used in electronic applications. ¼-1¼-1¼-1¼-1¼-1¼-1¼7¼-1¼-1
20¼4¼180¼21¼-1¼-1¼-1¼Transistors¼A semiconductor switch used in circuitry to amplify, control and generate electric signals. The transistor is more reliable than the electron tube, and much smaller. ¼-1¼-1¼-1¼-1¼-1¼-1¼8¼-1¼-1
21¼4¼300¼22¼-1¼-1¼-1¼Lasers¼A device that produces an intense beam of light by stimulating atoms to amplify light of a certain wavelength. Laser technology has widespread applications.¼-1¼-1¼-1¼-1¼-1¼-1¼10¼-1¼-1
22¼4¼240¼23¼-1¼-1¼-1¼Microprocessors¼A kind of integrated circuit, made by packing transistors, diodes and resistors onto a tiny silicon chip. This circuit is the processor for a computer.¼-1¼-1¼-1¼-1¼-1¼-1¼11¼-1¼-1
23¼4¼180¼-1¼-1¼-1¼-1¼Computer-aided design¼Now that you can make computers, it seems stupid not to go ahead and develop computer-aided design for your hi-tech installations. CAD can design integrated circuits, machine parts, almost anything.¼-1¼-1¼-1¼-1¼-1¼-1¼12¼-1¼-1