| abstract
| - If necessity is the mother of invention, a logical place to start would be width basic human necessities. 1.
* Air. At some point (Space Shuttle Atlantis) it will be necessary to store/transport/clean/produce it, but for now nature provides. 2.
* Water. Information on how to locate freshwater resources in different kinds of habitat would be useful. 3.
* Food. How to find and identify edible food sources would be important. So too would be to know how to prepare/cook it so as to minimize biochemical risk. How to cook brings us to our first necessary tool.. 4.
* Fire. Some basic uses for fire. Cooking, Fire can also be used as a tool to make.. 5.
* Spear with fire-hardened tip. Makes hunting more efficient. 6.
* Fur coat. 7.
* Levers. 8.
* Hammer. 9.
* Iron. 10.
* Needle. 11.
* Knife. (Using a knife, a variety of other carvings can be made!) 12.
* Chisel. 13.
* Spade. (Using its analogue we will later start mine oil! ;-)) 14.
* Rope. 15.
* Salt. 16.
* Brush. 17.
* Table. 18.
* Bottle. 19.
* Archimede's water screw 20.
* Astrolabe 21.
* Catapult 22.
* Compass 23.
* Glass. 24.
* Lens. 25.
* Eyeglasses 26.
* Gunpowder 27.
* Steam engine 28.
* Kite 29.
* Marshmallow plant (Althea officinalis) 30.
* Marshmallow candy 31.
* Paper 32.
* Scissors 33.
* Silk 34.
* Yo-yo 35.
* Anemometer (for measuring the speed of wind) 36.
* Terrestrial Globe (a map) 37.
* Caravel 38.
* Airplane 39.
* Helicopter 40.
* Canvas (a strong cotton cloth, could be used for making parachute) 41.
* Light-weight silk (but very strong silk) 42.
* Parachute 43.
* Submarine 44.
* Armored car 45.
* Rapid-fire gun 46.
* Centrifugal pump 47.
* Ballista (a giant crossbow, by da Vinci) 48.
* Worm gear (a set of gears in which many teeth make contact at once, reducing the strain on the teeth, allowing more pressure to be put on the mechanism) 49.
* Printing press with movable type (guttenberg's) 50.
* Screwdriver 51.
* Compound microscope (a compound microscope is one which has more than one lens) 52.
* Speed at which bodies fall does not depend on their weight 53.
* Telescope 54.
* Microscope 55.
* Thermometer 56.
* Barometer 57.
* Cassegrain telescope 58.
* Reflecting telescope 59.
* Methods for grinding and polishing glass telescope lenses 60.
* Refracting telescope 61.
* Mercury barometer 62.
* Battery 63.
* Methane gas 64.
* Bifocal glasses 65.
* Carbonated water 66.
* Celsius thermometer 67.
* Cotton gin (a machine that cleans cotton, removing its many seeds) 68.
* Lightning rod 69.
* Franklin stove 70.
* Guillotine 71.
* Spinning jenny () 72.
* Hot-air balloon 73.
* Electric arc 74.
* Tungsten 75.
* Light bulb 76.
* Mayonnaise 77.
* Metric system 78.
* Piano (the pianoforte) 79.
* Sandwich 80.
* Sextant (replacement of astrolabe) 81.
* Watt's steam engine (later was used for draining mines, powering looms in textile factories, powering bellows, paper mills) 82.
* Steam-powered boat (by Henry Bell) 83.
* Braille (writing system) 84.
* Can 85.
* Can opener 86.
* Electric motor 87.
* Electric streetcar 88.
* Dishwasher 89.
* Dutch chocolate (Dutching, Dutch processing or alkalinisation). 90.
* Kindergarten 91.
* Sewing machine 92.
* Nylon fabric 93.
* Kelvin scale 94.
* Scythe 95.
* Reel lawn mower 96.
* Mechanical crops reaper 97.
* Telegraph machine 98.
* Morse Code 99.
* Pasteurization 100.
* Rubber band 101.
* Safety pin 102.
* Saxophone 103.
* Helium 104.
* Lithium 105.
* Beryllium 106.
* Boron 107.
* Carbon 108.
* Nitrogen 109.
* Oxygen 110.
* Fluorine 111.
* Neon 112.
* Natrium 113.
* Magnesium 114.
* Aluminium 115.
* Silicon 116.
* Chlorine 117.
* Argon 118.
* Potassium 119.
* Calcium 120.
* Scandium 121.
* Titanium 122.
* Vanadium 123.
* Chromium 124.
* Manganese 125.
* Cobalt 126.
* Nickel 127.
* Copper 128.
* Zinc 129.
* Gallium 130.
* Germanium 131.
* Arsenic 132.
* Selenium 133.
* Bromine 134.
* Krypton 135.
* Rubidium 136.
* Strontium 137.
* Yttrium 138.
* Zirconium 139.
* Niobium 140.
* Molybdenum 141.
* Technetium 142.
* Ruthenium 143.
* Rhodium 144.
* Palladium 145.
* Silver 146.
* Cadmium 147.
* Indium 148.
* Tin 149.
* Antimony 150.
* Tellurium 151.
* Iodine 152.
* Xenon 153.
* Caesium 154.
* Barium 155.
* Lanthanum 156.
* Cerium 157.
* Praseodymium 158.
* Neodymium 159.
* Promethium 160.
* Samarium 161.
* Europium 162.
* Gadolinium 163.
* Terbium 164.
* Dysprosium 165.
* Holmium 166.
* Erbium 167.
* Thulium 168.
* Ytterbium 169.
* Lutetium 170.
* Hafnium 171.
* Tantalum
* Tungsten 172.
* Rhenium 173.
* Osmium 174.
* Iridium 175.
* Platinum 176.
* Gold 177.
* Mercury 178.
* Thallium 179.
* Lead 180.
* Bismuth 181.
* Polonium 182.
* Astatine 183.
* Radon 184.
* Francium 185.
* Radium 186.
* Actinium 187.
* Thorium 188.
* Protactinium 189.
* Uranium 190.
* Neptunium 191.
* Plutonium 192.
* Amercium 193.
* Curium 194.
* Berkelium 195.
* Californium 196.
* Einsteinium 197.
* Fermium 198.
* Mendelevium 199.
* Nobelium 200.
* Lawrencium 201.
* Rutherfordium 202.
* Dubnium 203.
* Seaborgium 204.
* Bohrium 205.
* Hassium 206.
* Meitnerium 207.
* Darmstadtium 208.
* Roentgenium 209.
* Ununbium 210.
* Ununtrium 211.
* Ununquadium 212.
* Ununpentium 213.
* Ununhexium 214.
* Saxhorn 215.
* Aneroid barometer 216.
* Velox photographic paper 217.
* Bakelite (an inexpensive, nonflammable, versatile, and very popular plastic) 218.
* Storage batteries (lead-based batteries that can be recharged) 219.
* Dry cell (a voltaic cell with a cylindrical zinc shell (the zinc acts as both the cathode and the container) that is lined with an ammonium chloride (the electrolyte) saturated material (and not a liquid). 220.
* Alkaline batteries (edison batteries) 221.
* Telephone 222.
* Hydroairplane 223.
* Photo-sensitive selenium cell (the photophone, a wireless phone, developed with Sumner Tainter) 224.
* Braille typewriter 225.
* Bunsen burner (laboratory) 226.
* Russet Burbank potato (also called the Idaho potato) 227.
* Mechanical cash register 228.
* Electric cash register 229.
* Electric car ignition 230.
* Celluloid (a plastic made from cellulose (it is derived from plants)) 231.
* Coca-Cola 232.
* Cotton candy (a soft confection that is made from sugar that is heated and spun into slim threads that look like a mass of cotton) 233.
* Dry plate method (photography} 234.
* Incandescent electric light bulb 235.
* Phonograph record 236.
* Carbon telephone transmitter 237.
* Motion-picture projector 238.
* Elevator 239.
* Escalator 240.
* Gyroscope 241.
* Foucault pendulum 242.
* Steel ribbed umbrella 243.
* Fountain pen 244.
* Folding cabinet bed (a space-saver that folded up against the wall into a cabinet) 245.
* Hot dogs 246.
* Metal zipper device with locking teeth in 247.
* Safety matches 248.
* Radio (wireless telegraphy) 249.
* Steam engine lubricator 250.
* Motorcycle 251.
* Nobel patent detonator (detonating nitroglycerin using a strong electrical shock instead of heat) 252.
* Dynamite 253.
* Paper clip 254.
* Potato chip 255.
* Push pin ("a thumbtack with an elongated handle that makes it easier to put in and remove") 256.
* Rayon (a cellulose-based fiber that is made from wood pulp or cotton waste) 257.
* Records (used to record sound) 258.
* Revolving door 259.
* Multiple effect vacuum sugar evaporator (by Norbert Rillieux) 260.
* X-rays 261.
* Tractor 262.
* Typewriter 263.
* Vacuum cleaner 264.
* Cylinder pin-tumbler lock 265.
* Kerosene. 266.
* Kerosene lamp. 267.
* Drawing-board. 268.
* Pencil. 269.
* Acumulator (electricity acumulator) 270.
* Toothpaste (material) 271.
* Slide rule (calculation tool) 272.
* Rubber (material) 273.
* Phosphorus (material) 274.
* Sulphur (material) 275.
* Polyethylene (material) 276.
* Hydrogen (material) 277.
* Atlas-II (rocket engine) 278.
* Hydrazine (chemical material) 279.
* 1,1-Dimethylhydrazine (material) 280.
* Nitrogen tetroxide (material) 281.
* Aerozine 50 (material, rocket engine fuel) 282.
* Delta-I (rocket engine) 283.
* Delta-II (rocket engine) 284.
* Delta-III (rocket engine) 285.
* Delta-IV (rocket engine) 286.
* Space Shuttle Atlantis (spacecraft) 287.
* Auto CAD. 288.
* Autodesk Inventor. 289.
* SolidWorks. 290.
* Titan-IV (rocket engine) 291.
* Taurus-XL (rocket engine) 292.
* Add an invention As you add new inventions, try to intuitively place them in the correct sequence (historical order). ja:発明表lt:Išradimai
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