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lhpz

HN member
Joined
Sat, Sep 30, 2017, 3:09 PM UTC
HN karma
72
Public activity
18 items

About lhpz

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Recent public activity

  1. story
  2. comment
    Comment #41578919

    A stock retains value even without producing dividends. Allowing wealth tax payments in the form of stock, rather than cash, addresses the liquidity issue, especially for large fam…

  3. story
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    Comment #39194231

    The OS would notify the app that its IP address has changed. The app can then send this new IP to its notification server, for future notification to arrive at the correct IP. No n…

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    Comment #37904668

    This 1958 short film (in French) about Plastics is available on YouTube https://www.youtube.com/watch?v=lG1hZyQUF6Y Was commissioned by an industrialist selling plastics, but is ra…

  6. comment
    Comment #32538469

    Yes. There is a 2h15min high-speed train service between Paris and London via the channel tunnel (Eurostar), which is missing in the data. With connections, part of France is reach…

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    Comment #27697816

    If you're interested in the history of Innovation, there is another great reference to add to your list: Technological Revolutions and Financial Capital: The Dynamics of Bubbles an…

  9. comment
    Comment #27680504

    There is one very important book missing from this list: Diffusion of Innovation by Everett Rogers (1). Most of the innovation teaching in business schools today, is directly inspi…

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  11. comment
    Comment #26962288

    If you want to store solar heat, you cannot beat water @4000J/kg.K. Black barrels of water is probably the best solution, yet a very simple solution. I've checked the thermal capac…

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    Comment #26957845

    The thermal resistance of raw earth is not good, similar to that of concrete. Thermal conductivity is around 10 W/m.K. To be compared to 0.1 W/m.K for a typical building insulating…

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    Comment #26957310

    The interesting question would be to know if the mix of raw earth + additives necessary for 3D printing, can be reused for a new construction after 20 years. The raw earth used for…

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    Comment #25634538

    Seek Thermal is an alternative provider for thermal cameras: https://www.thermal.com/

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    Comment #25409652

    Let me expand on this thermodynamical metaphor. Open systems that may exchange matter and/or energy with their environment, can maintain or even decrease their own entropy. This is…

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    Comment #24109087

    In 2013, the President of Mali asked France for help in stopping an attack on the capital Bamako by Islamic groups from the North of the country, whose goal was to establish a seco…

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    Comment #23888896

    If you look at what a company really is from a different perspective, then it makes complete sense that an internal innovator cannot exist inside any established organization. Let’…

  18. comment
    Comment #23876687

    I think there is an interesting generalization to be made here: major innovations cannot be introduced to the market by raising billions to fund aggressive marketing push campaigns…