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58 Responses

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  1. Chad at |

    Good article but try to be less biased in your writing. Keep it factual, don’t add in opinions. That’s what makes a perfect top ten list. Other then that, great job.

    Reply
  2. Isabella Abuchaibe at |

    Cellphones???

    Reply
  3. Joseph at |

    The biggest of all innovation is TRIZ – Theory of Inventive Problem Solving. A Methodolgy for innovating systematically. Unfortunately it did not become popular

    Reply
  4. lemaihoa at |

    I think internet is the best invention in the 20th century. It made our life more convenient and comfortable.

    Reply
  5. steve at |

    Air conditioning should be in there.

    Reply
    1. Shell Harris at |

      I’m at the beach right now and can say Amen to that. 😉

      Reply
  6. JAsper at |

    The best invention, albeit not invented in the 20th century, has to be the bicycle. WHy?…it’s inexpensive,
    keeps you in shape with little effort.
    It’s organic in it’s absence of onboard electronics, unless your Lance Armstrong..LOL!
    You can take your bike anywhere off road. You can park your bike without any toll booths. No need for a liscense. Requires minimal maintenance.

    I can go on but i will stop here. :)

    Reply
  7. Mika at |

    i agree with all of you, all this things are important in our life, thanks for the peaple who created such kind of things

    Reply
  8. Richard at |

    Not sure why this is called a good list… there are components WITHIN a lot of these inventions that are far more important inventions that those posted here. For instance, the transistor is not even ON this list, which is absolutely ridiculous. It is easily arguably the most important invention of the 20th century, and this list doesn’t even mention it.

    Fail.

    Reply
  9. abdou at |

    i think the Nuclear Power is 1st gys

    Reply
  10. Carlos Barrera at |

    Technology Submission -State of the Art / Novel Rotary-Turbo-InFlow Tech / Featured Development

    ·1-GEARTURBINE PROJECT

    ?Atypical InFlow Thermodynamic?Technology Proposal Submission?Novel Fueled Motor Engine Type

    ??*State of the art Innovative concept Top system Higher efficient percent. ?Have similar system of the Aeolipile Heron Steam device from Alexandria 10-70 AD. -New Form-Function Motor-Engine Device. Next Step, Epic Design Change, Broken-Seal Revelation. -Desirable Power-Plant Innovation.

    ??YouTube; * Atypical New • GEARTURBINE / Retrodynamic = DextroRPM VS LevoInFlow + Ying Yang Thrust Way Type – Non Waste Looses

    -This innovative concept consists of hull and core where are held all 8 bteps of the work-flow which make the concept functional. The core has several gears and turbines which are responsible for these 8 steps (5 of them are dedicated to the turbo stages). The first step is fuel compression, followed by 2 cold turbo levels. The fourth step is where the fuel starts burning – combustion stage, which creates thrust for the next, 5th step – thrust step, which provides power to the planetary gears and turbines and moves the system. This step is followed by two hot turbo steps and the circle is enclosed by the final 8th step – bigger turbine. All this motion in a retrodynamic circumstance effect, wich is plus higher RPM speed by self motion. The Reaction at front of the action.

    *8-X/Y Thermodynamic CYCLE – Way Steps:?1)1-Compression / bigger?2)2-Turbo 1 cold?3)2-Turbo 2 cold?4)2-Combustion – circular motion flames / opposites?5)2-Thrust – single turbo & planetary gears / ying yang?6)2-Turbo 2 hot?7)2-Turbo 1 hot?8)1-Turbine / bigger

    -With Retrodynamic Dextrogiro vs Levogiro Phenomenon Effect. / Rotor-RPM VS InFlow / front to front; “Collision-Interaction Type” – inflow vs blades-gear-move. Technical unique dynamic innovative motion mode. [Retrodynamic Reaction = When the inflow have more velocity the rotor have more RPM Acceleration, with high (XY Position) Momentum] Which the internal flow (and rotor) duplicate its speed, when activated being in a rotor (and inflow) with [inverse] opposite Turns. The Reaction at front of the action. A very strong Novel torque power concept.

    -Non waste parasitic looses for; friction, cooling, lubrication & combustion. 

    -Shape-Mass + Rotary-Motion = Inertia-Dynamic / Form-Function Wide [Flat] Cylindrical shape + positive dynamic rotary mass = continue Inertia positive tendency motion. Kinetic Rotating Mass.
    ??-Combustion 2Two continue circular [Rockets] flames. [ying yang] opposite one to the other. – With 2TWO very long distance INFLOW [inside propulsion] CONDUITS. -4 TURBOS Rotary Total Thrust-Power Regeneration Power System. -Mechanical direct 2two [Small] Planetary Gears at polar position. -Like the Ying Yang Symbol/Concept. -Wide out the Rotor circumference were have much more lever [HIGH Torque] POWER THRUST. -No blade erosion by sand & very low heat target signature profile. -3 points of power thrust; 1-flow way, 2-gear, 3-turbine. *Patent; Dic. 1991 IMPI Mexico #197187 All Rights Reserved. Carlos Barrera.

    ———————————————————————

    ·2-Imploturbocompressor; One Moving Part System Excellence Design – The InFlow Interaction comes from Macro-Flow and goes to Micro-Flow by Implossion – Only One Compression Step; Inflow, Compression and outflow at one simple circular dynamic motion Concept.

    *·“Excellence in Design” because is only one moving part. Only one unique compression step. Inflow and out flow at the same one system, This invention by its nature a logic and simple conception in the dynamics flow mechanics area. The invention is a wing made of one piece in a rotating motion, contained in a pair cavity system connected by implocavity, and interacting dynamically with a flow, that passes internally “Imploded” through its simple mechanism. This flow can be gas (air) or liquid (water). And have two diferents aplications, in two diferents form-function; this one can be received (using the dynamic flow passage, as a receiver). Or it can be generated (with a power plant, generating a propulsion).

    Presenting one of the many diferents examples, could specifically be this same invention applied in pair in every bar end, similar to what would be a turbine reaction or turbocompressor, and making the best profit of a exhaust gas dynamic flow, compressing a new air entrance and therefore falling into the technical field of the reaction turbines. This of course, considerating materials that are resistant to the high temperatures such as the ceramics ones. And furthermore this invention approaches more the combustion point and therefore also more to the gases expansion point, in order to search a higher expanding dynamic strength. It could, for example, be presented into an inter dynamic rotor system (aplication), supported internally and in a rotating system. And likewise being able to activate a new concept of dynamic turbine by pushing gearing, and likewise, creating a new technical field. Or can be in a more simple way by means of the system of this same invention applied to the bar end, but without a movement of interaction with the rotor, only the rotary dynamics in a static point for any type of mechanical work such as a dynamo in order to generate electricity through the dynamic strength of a flow when it is rotating at the moment it receives it, just like a pelton well do.

    And when the flow that is received and that is intended to be used at best, must no necessarily by a exhausting or rejection gas, but must be a dynamic passing gas or liquid flow with the only intention to count it or to measure it. This could be possible at the passing and interacting period when it passes inside its simple mechanism. This can be in any point of the flow trajectory.

    In case the flow that is received is a water falling by gravity, and a dynamo is placed on the rotary bar, the Imploturbocompressor can profit an be obtained by generating? electricity such as obtained by the pelton well, like I say before.

    Or only receive the liquid flow, in order to measure its passage with a counter placed on the bar, because when this flow passes through the simple mechanism of a rotating wing made of only one piece it interacts within the implocavities system. And this flow can be air wind, with the diference of can have an horizontal position, and have wind from all the sides and all the time. The aforementioned information about this invention refers to technical applications, such as a dynamic flow receiver. (whether being gas or liquid).

    Connecting the free end of the bar of this invention to a power plant (manual, electrical, mechanical, or combusting, etc…), there will be available a capacity and a position in order to generate the flow dynamics (or even better, a propulsion). This applied? to gas flows (air) or to liquid flow (water). This of course, considering the due rotating directions as well as the inclination, wings, curvature and the due dimensioning for every application of every technical field.

    With the appropriate power plant and the appropriate dimensioning and number of RPM this invention is also feasible to generate an atmospheric air propulsion and the autoprolpusion of an aircraft. Being an effective and very simple system that implodes and compresses the atmospheric air permits the creation of a new concept of propulsion for aircrafts, due to its simple mechanism and innovative nature. At the place of the aircraft were the system appears and the manner how the propulsion direction can be oriented with a vectorial flow (no lobster tail) with I call “yo-yo system” (middle cut (at the shell) to move, one side loose), guided and balanced is feasible to create a new concept of TOVL-vertical take-off landing, I wish good for a wild conditions. Because the exhaust propulsion can going out radial in all the 360 vectorial positions, going out direct all the time in all the vectors direction. With his rotor cover for an better furtive fly, like going down of a bridge for example.

    The “Imploturbocompressor”, is a good option to pump water, or a gas flow, and all kinds of pipes lines dynamic moves.

    Likewise, with the due form and dimensioning, and considering the liquid density and the due revolutions for this element there could be generated a propulsion (water) in order to move an aquatic ship, whether on surface or under water. Also can be a good option to pump liquid combustion for a rocket propulsion.

    Making a metaphoric comparison with the intention to expose it more clearly for a better comprehension of this innovative technical detail, it would be similar to the trajectory and motion of a dynamic flow compared with a rope (extended) that passes through the system would have now a knot (without obstructing the flow), so the complete way of the flow at the imploturbocompresor system have three direct ways and bettween make two diferents turns; direct way (entrance) – turn – direct way (implocavity) – turn – direct way (exit), all this in a circular move system.

    Its prudent to mention that the curves and the inclinations of the blades of a rotating wing made of this invention, is conferred by its shape and function a structural rigidity allowing it to conduct and alter appropriately the dynamic flow passing through its system.

    This invention are very versatile, can be applied and used for any kind of flow, whether as gas or as a liquid, received or be generating it.? And it has different technical fields, being applied in any circumstance where the intention is to obtain an profitable work, to modify on his imploflow system.

    Reply
  11. Jaydon at |

    Auto mobile should be first because it gets us to walmart quiker if u know what im saying

    Reply
  12. Cday at |

    Actually a submarine was used in the Revolutionary war by the Colonies and the Civil War by both sides.

    Reply
  13. Shane Bunker at |

    This is very useful information thanks

    Reply
  14. Adhi Pradono at |

    Air Conditioning System.

    If they not invented yet, there will be no High-raise Buildings and Seafood in this world

    Reply

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