1. How Dense is the Asteroid Belt?

    05:24

    from Fraser Cain Added 1 0 0

    We've seen way too many science fiction episodes that show asteroid belts as dense fields of tumbling boulders. How dense is the asteroid belt, and how to spacecraft surfive getting through them?

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    • Caledonia Mining Corporation CFO Mark Learmonth

      02:49

      from DirectorsTalk Added

      Mark Learmonth Chief Financial Officer at Caladonia Mining Corporation talks with DirectorsTalk about the completion of the Tramming Loop and the No. 6 Winze project. Caledonia Mining Corporation is an exploration, development and mining company focused on Southern Africa. Caledonia's primary asset is a 49% interest in the Blanket Mine in Zimbabwe which produced over 45,500 ounces of gold in 2013 at a cash cost of US$613/oz. Mr Learmonth joined Caledonia in July 2008. Prior to this, he was a Division Director of Investment Banking at Macquarie First South in South Africa, and has over 17 years' experience in corporate finance and investment banking, predominantly in the resources sector in Africa. Mr Learmonth graduated from Oxford University and is a chartered accountant. Mr Learmonth is a member of the Executive Committee of the Chamber of Mines, Zimbabwe. Mr Learmonth was appointed Caledonia's Chief Financal Officer in November 2014. For more news and Interviews visit: http://www.directorstalk.com

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      • Become a Gate Keeper today!

        00:35

        from Lock the Gate Alliance Added 2 0 0

        Our basic rights and democracy must not be overturned at the whim of the mining giants. Can you take action today to show that you won't abandon communities in their hour of need? If you believe that your home is your castle, if you agree that our sunburnt country is precious, then don't sit back and let the mining giants rip it out from under you.

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        • blankspot_peru_03_final.mov

          06:17

          from roberto (bear) guerra Added 48 2 0

          The third short teaser that further introduces a reportage made recently in Peru for Sweden's journalism start-up, Blankspot Project. The final story focuses on controversies surrounding Yanacocha Mine's use of a Swedish-owned private security force that has been implicated in many abuses and rights violations in recent years against community members opposed to the company's proposed Conga Project. In this short video, we hear thoughts on how Yanacocha Mine's private security force, Swedish-owned Securitas, operates outside of Peruvian law, and in conjunction with the local and state police force to commit human rights abuses on community members opposed to the mine (and its expansion as the proposed Conga Mine project).

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          • blankspot_peru_02.mov

            01:11

            from roberto (bear) guerra Added 4 0 0

            The second short teaser that further introduces a reportage made recently in Peru for Sweden's journalism start-up, Blankspot Project. The final story focuses on controversies surrounding Yanacocha Mine's use of a Swedish-owned private security force that has been implicated in many abuses and rights violations in recent years against community members opposed to the company's proposed Conga Project. In this short video, we hear thoughts on the Yanacocha Mine (and it's proposed expansion) from a handful of local community members near Cajamarca, Peru.

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            • blankspot_peru_01.mov

              01:12

              from roberto (bear) guerra Added 8 0 0

              A short introduction of a recent reportage made in Peru for Sweden's journalism start-up, Blankspot Project. This project focuses on controversies surrounding Yanacocha Mine's use of a Swedish-owned private security force that has been implicated in many abuses and rights violations in recent years against community members opposed to the company's proposed Conga Project.

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              • Gwalia | Ghost Town of the Goldfields

                10:28

                from Gan Eden Productions Added 944 5 8

                Gwalia is a mining ghost town located nearby to Leonora, 235km north of Kalgoorlie in Western Australia. It was a full functioning mine from 1897 to 1963 when all of a sudden, due to the end of production, virtually all residents and employees of the Gwalia gold mine upped and left sticks for pastures new. For more information, visit http://www.gwalia.org.au/ Shot with BMPCC in Raw Lumix 12-35mm f/2.8 M4/3 lens Kowa 6mm f/1.8 C-Mount lens https://www.facebook.com/ganedenproductions

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                • Detonação Plug Plus 3" - Granito

                  00:15

                  from Plug Plus Added 41 0 0

                  É fácil observar, com a utilização de plugs de tamponamento, a retenção dos gases que geralmente são ejetados no tamponamento (os "stemming plugs" foram utilizados apenas na faixa direita da bancada, para análise de contraste).

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                  • Detonação PlugPlus 3" - Calcário

                    01:11

                    from Plug Plus Added 123 0 0

                    Os "stemming plugs" foram instalados nos furos da fatia direita da bancada, onde é possível observar uma retenção significativa dos gases ejetados na região de tampão, otimizando a energia gasosa utilizada no desmonte da rocha. - DADOS DO DESMONTE: Malha: 2,5 x 5 m Tampão: 1,5 m

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