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Wheel instead of gateway

12.12.2002

Two navigable channels passing through Scotland are separated by a difference in water level of 33 meters. In order to allow ships to move from one channel to another, it was decided instead of locks, which take up a lot of space and require a long locking process, to build a kind of rotating elevator.

For four years, two huge wheels with a diameter of 35 meters were erected between the canals, on each of which two "baths" for ships were fixed. Each "bath" holds 300 cubic meters of water and a ship with a carrying capacity of up to 600 tons. Turning the wheel takes less than 5 minutes - and the two channels exchanged ships. Loading and unloading "cradles" lasts approximately 15 minutes.

Previously, a system of 11 locks operated here. Now the journey from Glasgow to Edinburgh has been shortened by a few hours.

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New geothermal technology Fervo Energy 19.07.2023

Fervo Energy has completed a successful test of its geothermal well in Nevada, producing 3,5 MW of electricity for 30 days.

Geothermal energy is based on the use of heat from hot sources such as thermal groundwater. However, achieving a sustainable geothermal system requires a combination of heat, fluid, and rock permeability. Fervo Energy has developed an innovative approach by creating artificial wells and filling them with water that is heated by the earth. Then a special turbine converts the received heat into electricity.

During testing, the company achieved a water flow rate of 62 liters per second, generating 3,5 MW of electricity (which can power approximately 750 homes at the same time). The resulting flow and power output data will be used to further improve geothermal systems.

This year, Fervo plans to connect its Project Red well to the grid to power Google's data centers and other infrastructure as part of a 2021 deal.

This is the first commercial application of geothermal technology and demonstrates the potential of this energy system, something scientists have been striving for since the 1970s.

Fervo has successfully drilled several horizontal wells for the commercial production of geothermal energy, reaching almost a kilometer of horizontal length and a temperature of 191°C. Careful testing and monitoring have confirmed the controllability of the process.

The benefits of geothermal power plants include zero carbon emissions (Google aims to use only carbon-free energy in its offices and data centers by 2030) and the ability to operate around the clock (unlike solar and wind power). However, cost cuts and regulatory hurdles are making it difficult to adopt the technology more widely, according to Fervo CEO Tim Latimer.

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