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calestous's profile
Calestous Juma
Calestous Juma
Calestous Juma
Verified account
@calestous

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Calestous JumaVerified account

@calestous

Professor @BelferCenter @KennedySchool @Harvard | A New Culture of Innovation: Technology, Entrepreneurship and Prosperity (forthcoming book)

bit.ly/2sG3K0T
Joined April 2009

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    Calestous Juma‏Verified account @calestous 5 Aug 2017

    A brick-making machine every African country needs to build #schools and #hospitals pic.twitter.com/d5A2p5SC1N via @ErdemErkul

    Dr. R.Erdem ERKUL
    9:17 AM - 5 Aug 2017
    • 482 Retweets
    • 613 Likes
    • Das Wurfkissen 🎗 KRANTI KIRAN.CH 🇬🇦🙏🏾🇨🇦 Astrid Dominiak Brett William Amidon 🇺🇸 Don Weobong **Bumblebear** Mal 骗子
    36 replies 482 retweets 613 likes
      1. New conversation
      2. Clean Cooking‏ @irdafrica_Kenya 6 Aug 2017
        Replying to @calestous @mshilasio @ErdemErkul

        African governments zero rate imported bricks and levy 25% Customs duty and 16% VAT on machinery and raw materials to manufacture in #Africapic.twitter.com/itB6gYeo4K

        2 replies 7 retweets 10 likes
      3. 1 more reply
      1. Nola Kianza‏ @Nola_CCAfrica 6 Aug 2017
        Replying to @calestous @ErdemErkul

        http://www.cbc.ca/news/business/calling-on-canada-1.4215256 …

        0 replies 2 retweets 2 likes
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      1. New conversation
      2. Graham Taylor‏ @Pottedhistory 5 Aug 2017
        Replying to @calestous @ErdemErkul

        @RothburyCreates I think George will like this

        1 reply 0 retweets 2 likes
      3. Sarah Lord‏ @PottedApprentis 5 Aug 2017
        Replying to @Pottedhistory @calestous @ErdemErkul

        He did indeed. And says thanks!

        0 replies 0 retweets 1 like
      4. End of conversation
      1. Elaine Roberts‏ @elaineroberts 5 Aug 2017
        Replying to @calestous @MatthewModine @ErdemErkul

        Been telling who ever would listen,technology is killing our jobs. We need to retain our job force for new technology,like wind/solar power

        0 replies 0 retweets 2 likes
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      1. Sylvia Siddans‏ @SylviaSiddans 6 Aug 2017
        Replying to @calestous @ErdemErkul

        Genius!

        0 replies 0 retweets 1 like
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      1. Modesta Lihavi‏ @MLihavi 6 Aug 2017
        Replying to @calestous

        @KenyanTraffic @ErdemErkul The cost please, interested.

        0 replies 0 retweets 1 like
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      1. Simon‏ @spndungu 6 Aug 2017
        Replying to @calestous @ErdemErkul

        This is wonderful. I wish I had more details in terms of: price...availability...operation!

        0 replies 0 retweets 1 like
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      1. Siyat Abdi Gure‏ @SiyatGure 6 Aug 2017
        Replying to @calestous @ErdemErkul

        @M_Farmaajo Hon president #Somalia needs this

        0 replies 0 retweets 1 like
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      1. Sebastian Okot‏ @SebestianOkot 5 Aug 2017
        Replying to @calestous @ErdemErkul

        What's cost?

        0 replies 0 retweets 1 like
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      1. Abisoladot‏ @Xquizit_Abiodun 5 Aug 2017
        Replying to @calestous @ErdemErkul

        cc @tundefashola @ProfOsinbajo ministry of works and ministry of science and technology must see this

        0 replies 0 retweets 1 like
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      1. Anthony Baker‏ @Anthonybaker686 5 Aug 2017
        Replying to @calestous @ErdemErkul

        That reminds me of the instant road maker from the Thunderbirds series of the 1960s.

        0 replies 0 retweets 1 like
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      1. stewart bloomfield‏ @stewart_fed 5 Aug 2017
        Replying to @calestous @ErdemErkul

        wow how cool is that.

        0 replies 0 retweets 1 like
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      1. Nix‏ @JosephNdwiga 5 Aug 2017
        Replying to @calestous @ErdemErkul

        How much would it cost?

        0 replies 0 retweets 1 like
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      1. James Morgan‏ @jamesggmorgan 5 Aug 2017
        Replying to @calestous @ErdemErkul

        I want one!

        0 replies 0 retweets 1 like
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      1. Kevin D'Arbela‏ @kizito_kayizzi 5 Aug 2017
        Replying to @calestous @ErdemErkul

        Great idea. Wouldn't you however need a lot of outside space to allow a decent number of bricks to dry?

        0 replies 0 retweets 1 like
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      1. Jimmy Kiberu‏ @KiberuJimmy 5 Aug 2017
        Replying to @calestous @ErdemErkul

        Brilliant!

        0 replies 0 retweets 1 like
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