maandag 11 mei 2026

Russian scientists at Rosatom have developed a laboratory prototype of a 300 kW plasma rocket engine designed for deep space missions, potentially reducing travel time to Mars to 30–60 days.


 

Can this rocket actually reach Mars in 30 Days?
Russian scientists at Rosatom have developed a laboratory prototype of a 300 kW plasma rocket engine designed for deep space missions, potentially reducing travel time to Mars to 30–60 days.
The engine uses magnetic plasma acceleration, with tests confirming capabilities for long-duration operation and high exhaust velocities, intended for use with nuclear-powered "space tugs".
The engine, developed by Rosatom's Troitsk Institute (TRINITI), uses an electromagnetic field to accelerate charged hydrogen particles (plasma) to speeds of approx 100 km/s.
This allows for a specific impulse far superior to chemical rockets. Do you think it can reach Mars in only 30 days

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Portugal ran its entire country on renewable energy for six straight days — and wind made it possible.

 


Portugal ran its entire country on renewable energy for six straight days — and wind made it possible.
In 2023, Portugal achieved something extraordinary: 100% of its national electricity demand was met by renewables for 149 consecutive hours. Wind, hydro, and solar carried the entire nation. Not a single megawatt from fossil fuels. For six days, a country of 10 million people ran completely clean.
Wind energy is Portugal's backbone. The country's rugged Atlantic coastline and mountainous interior create ideal conditions for wind generation. Portugal operates over 5,600 wind turbines generating more than 14 GW of installed capacity — remarkable for a mid-sized nation.
Portuguese wind farms like Alto Minho and Gardunha are engineering landmarks, built across dramatic mountain ridges with views stretching to the Atlantic. The turbines here spin in some of Europe's strongest and most consistent wind corridors.
Portugal's electricity grid operator REN has mastered the art of balancing variable renewables with hydropower — using dammed reservoirs as giant batteries, pumping water uphill when wind is abundant and releasing it when wind drops. This pumped hydro storage system gives Portugal extraordinary flexibility in managing clean power flows.
The country is now targeting 80% renewable electricity by 2026 and 100% by 2040 — goals that looked ambitious five years ago but now appear achievable ahead of schedule.
Portugal spends billions less on fossil fuel imports than it did a decade ago. That money stays in the Portuguese economy, creating jobs and energy security simultaneously.
REN — Redes Energéticas Nacionais — 2024
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Australia just completed the world's longest underground electricity transmission cable — a 4,200-kilometer high-voltage direct current line buried entirely below ground connecting Queensland's massive solar and wind resources to Melbourne and Adelaide

 


Australia just completed the world's longest underground electricity transmission cable — a 4,200-kilometer high-voltage direct current line buried entirely below ground connecting Queensland's massive solar and wind resources to Melbourne and Adelaide, delivering northern sunshine to southern Australian cities with no visual surface impact.
The EnergyConnect Ultra cable buries a 3,000-megawatt HVDC transmission line at 1.5-meter depth across 4,200 kilometers following existing road and rail corridors to minimise land disruption. Underground routing eliminates the visual impact and wind damage vulnerability of overhead lines, while the cable's polymer insulation maintains electrical performance across the full 4,200-kilometer run with only 4.1 percent energy loss at rated capacity.
Australia's renewable energy generation sites are mostly in the hot, sunny, and windy north and center while 70 percent of population concentrates in the temperate southeast. This underground connection allows unlimited renewable development in optimal locations to serve populated demand centers without overhead transmission opposition from affected communities.
Source: ElectraNet Australia, TransGrid Australia, Australian Energy Market Operator, 2025
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South Korea is building the world's largest floating, a 40,100-hectare reclaimed tidal flat — the largest land reclamation project in history — and will deploy 2.1 gigawatts of floating photovoltaic panels, solar farm on a reservoir — enough to power a city.

 


South Korea is building the world's largest floating solar farm on a reservoir — enough to power a city.
The Saemangeum floating solar project on South Korea's western coast is being constructed on a 40,100-hectare reclaimed tidal flat — the largest land reclamation project in history — and will deploy 2.1 gigawatts of floating photovoltaic panels across its reservoir surface, making it the single largest floating solar installation ever built.
South Korea faces a fundamental energy geography problem. It is a mountainous, densely populated peninsula with limited flat land, no domestic fossil fuel reserves, and one of the highest industrial energy intensities per square kilometre in the world. Floating solar solves the land constraint by turning water surfaces into productive energy assets without displacing a single citizen or agricultural hectare.
The Saemangeum panels use a bifacial floating module design that captures both direct sunlight from above and reflected light from the water surface below, boosting output by 8-12% compared to land-based equivalents. Water cooling from below also keeps panel temperatures lower, improving efficiency by a further 5%.
At 2.1 gigawatts, Saemangeum will generate enough electricity to power the entire city of Busan — South Korea's second largest city with a population of 3.4 million people.
The Korea Energy Agency has approved a further 12 gigawatts of floating solar capacity across national reservoirs by 2030.
Korea Energy Agency (2024)
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zondag 10 mei 2026

Japan just electrified 3,200 kilometers of high-speed rail using nothing but the sun.

 


Japan just electrified 3,200 kilometers of high-speed rail using nothing but the sun. They have launched a bullet train network that produces zero emissions. Massive solar arrays line the tracks. They capture daylight, store it, and use it to thrust heavy trains forward at top speeds. It proves that clean mass transit is not a future concept. It is already operating. The technology exists to move millions across a country without burning a single fossil fuel. The only question now is who will build the next one.
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Spain just activated a regional molten salt thermal storage network — the first country to deploy this technology at district heating scale, storing surplus summer solar heat and releasing it as home heating through winter months across 68,000 buildings in Castilla-La Mancha.

 


Spain just activated a regional molten salt thermal storage network — the first country to deploy this technology at district heating scale, storing surplus summer solar heat and releasing it as home heating through winter months across 68,000 buildings in Castilla-La Mancha.
The Albacete Thermal Storage District stores excess concentrated solar heat in 24 insulated molten salt tanks distributed across the region, each holding 15,000 tonnes of salt at 560 degrees Celsius. As temperatures fall in November, salt circulates through heat exchangers distributing warm water through 840 kilometers of underground district heating pipes. The network delivers heat reliably at 85 degrees Celsius throughout winter regardless of weather.
Spain's Castilla-La Mancha plateau receives exceptional summer solar energy — more than enough to meet the region's full winter heating requirement when stored efficiently. This network eliminates natural gas heating for 68,000 buildings, cutting regional heating costs by 61 percent and eliminating 180,000 tonnes of annual CO2.
Source: Abengoa Spain, Castilla-La Mancha Regional Government, Spanish Ministry for Ecological Transition, 2025
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Scotland installed the world's most powerful tidal turbine generates 2 megawatts of electricity from tidal currents alone.


 

Scotland installed the world's most powerful tidal turbine — it runs silently underwater and never stops generating.
The AR2000 tidal turbine, built by Atlantis Resources and installed at the MeyGen tidal array in the Pentland Firth off northern Scotland, generates 2 megawatts of electricity from tidal currents alone. No wind required. No sun required. Just the gravitational pull of the moon moving water predictably, twice a day, every day, forever.
Unlike wind and solar, tidal energy is not intermittent — it is perfectly predictable centuries in advance. Engineers know exactly how much power MeyGen will generate at 3pm on a Tuesday in 2031. That predictability makes it uniquely valuable in a grid increasingly dominated by variable renewables.
The Pentland Firth is one of the most energetic tidal channels on Earth — currents reach 5 meters per second. The AR2000's twin rotors spin silently 30 meters below the surface, invisible from shore, requiring no visual footprint and generating zero noise pollution. Marine life surveys show fish and marine mammals naturally avoid the slow-moving blades.
Scotland's tidal resource alone could power 40% of the UK's electricity needs. The MeyGen array is currently 6 turbines. The plan calls for 269.
Source: Atlantis Resources & UK Department for Energy Security, 2024
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