The text is a transcript of a documentary about the use of hydrogen as a fuel for various applications, such as submarines, cars, rockets, and steel production. The documentary explores the advantages and challenges of using hydrogen, especially green hydrogen, which is produced from renewable energy sources. The documentary also shows some examples of research and innovation in the field of hydrogen production, such as artificial suns and solar thermal power plants. The documentary aims to inform and raise awareness about the potential of hydrogen as a clean and efficient energy source for the future.
Here are the key facts extracted from the text:
- Scientists in South Korea have achieved a nuclear fusion reaction at 100 million°C for 30 seconds, a net energy gain and seven times hotter than the Sun's core. [1] [3] [5] [6] [7]
- The German Navy has six hydrogen-powered submarines that can operate silently and stealthily without emitting any gas or heat. [8] [9]
- Hyundai and Toyota are the only manufacturers that produce hydrogen cars, which use a fuel cell to convert hydrogen and oxygen into electricity and water vapor. [10] [11] [12]
- Hydrogen is the most abundant element in the universe, but it is not found in its elemental form on Earth. It can be produced from water using renewable energy sources, such as wind or solar power, without generating greenhouse gases. This process is called green hydrogen. [13] [14] [15] [16]
- Green hydrogen can be used as a fuel for various sectors, such as steel production, aerospace, aviation, transportation and power generation. It can reduce CO2 emissions and help achieve climate neutrality. However, it is still expensive, scarce and requires a lot of infrastructure and political support. [17] [18] [19] [20] [21] [22] [23] [24]
- An artificial sun in Germany can produce green hydrogen using 149 reflectors that generate 10,000 times the power of sunlight and can reach 3000 degrees in temperature. This technology can also be applied to solar thermal power plants in sunnier regions of the world. [25] [26] [27]
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