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In depth: The German Uranium Project, 1938-1945: personnel, progress, and the counterfactual of a Nazi atomic weapon The German nuclear programme during World War II, known as the Uranverein, did not evolve into a functional atomic bomb despite initial advantages like elite scientists and uranium access. By 1945, it lacked key elements such as a tested design, enriched uranium, or a delivery system. Consequently, it never posed a serious threat to Allied forces.... http://www.factumobscura.com/in-depth/in-depth-the-german-uranium-project-1938-1945-personnel-progress-and-the-counterfactual-of-a-nazi-atomic-weapon/

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In depth: Bariloche Revisited

Inalco House, Bariloche, and the Nazi afterlife in Patagonia: a source-critical dossier Central judgement Inalco House is real. The Nazi milieu around Bariloche was real. The claim that Adolf Hitler, Eva Braun, or the Nazi high command lived at Inalco is not supported by reliable evidence. The strongest scholarly reading is that the Inalco legend grew from an unusually potent mixture of facts:…

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Did you know? You cannot tickle yourself effectively.

The brain predicts the sensory consequences of your own movements and dampens the response. This predictive filtering reduces the sensation, preventing the surprise required for tickling.

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On This Day — 28th April 1969

In 1969, Charles de Gaulle resigned as President of France, bringing to an end a political career that had shaped the country more profoundly than that of almost any other twentieth-century figure. His departure followed the defeat of a constitutional referendum, which he had treated not as a routine measure but as a test of confidence in his leadership. When the result went against him, he…

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On This Day — 27th April 1667

In 1667, John Milton sold Paradise Lost to the printer Samuel Simmons for the sum of £10, allowing the poem to be entered into the Stationers’ Register and prepared for publication. It was, on the surface, an unremarkable commercial transaction. Yet the circumstances surrounding it give the moment a particular weight. Milton was blind, politically compromised by the Restoration, and no longer…

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On This Day — 26th April 1964

In 1964, Tanganyika and Zanzibar formally merged to create the United Republic of Tanzania, bringing together two neighbouring territories whose recent histories had unfolded along markedly different lines. Tanganyika had gained independence from British rule in 1961 and become a republic soon afterwards. Zanzibar, by contrast, had only recently undergone a violent revolution that overthrew…

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Did you know? You are part of multiple overlapping systems.

Your body, environment, and society are interconnected networks operating simultaneously. Changes in one system can ripple into others, often in ways that are difficult to predict or fully trace.

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On This Day — 25th April 1974

In 1974, Portugal’s Estado Novo regime fell with remarkable speed, ending nearly half a century of authoritarian rule. The change did not begin as a mass uprising in the conventional sense, but as a military coup led by younger officers frustrated by censorship, repression, and the long, draining colonial wars in Africa. Yet what followed quickly became something broader. As troops moved through…

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Did you know? Your sense of direction can exist without landmarks.

Some humans possess an internal sense of orientation, likely linked to subtle environmental cues such as magnetic fields or spatial memory, allowing navigation without obvious reference points.

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On This Day — 24th April 1916

In 1916, armed Irish republicans seized key buildings in Dublin and proclaimed an Irish Republic, beginning what became known as the Easter Rising. The rebellion was not large in military terms, nor was it expected to succeed outright. Its leaders, among them Patrick Pearse and James Connolly, understood the imbalance of force they faced. Yet the rising was never intended purely as a…

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Did you know? Some particles pass through you without a trace.

Neutrinos, nearly massless particles produced by nuclear reactions in stars, travel through matter almost unaffected. Trillions pass through your body every second without interacting.

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On This Day — 23rd April 1014

In 1014, the Battle of Clontarf was fought outside Dublin, becoming one of the most famous and contested engagements in Irish history. On that day, Brian Boru, High King of Ireland, defeated forces aligned against him, though he himself was killed before the fighting was over. The battle has often been simplified into a struggle between Irish and Viking forces, yet the reality was less…

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Did you know? Some life forms can remain dormant for centuries.

Certain organisms, like tardigrades and spores, can enter states where metabolic activity nearly stops. In this suspended condition, they can survive extreme environments and revive long after.

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On This Day — 22nd April 1500

In 1500, the Portuguese navigator Pedro Álvares Cabral landed on the coast of what is now Brazil, bringing Portugal into contact with a land that would become central to its imperial future. The voyage itself had not set out in search of South America. Cabral was leading an expedition to India, following the route recently opened around the Cape of Good Hope. Yet the Atlantic crossing carried…

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On This Day — 21st April 753 BC

In 753 BC, according to Roman tradition, Romulus founded the city of Rome, establishing what would become one of the most influential centres of power in the ancient world. The date belongs as much to legend as to history. The story of Romulus and Remus, the twins abandoned, rescued, and ultimately set against one another, was never merely an origin tale. It provided Rome with a founding myth…

Did you know? You can only focus on one thing at a time.

What feels like multitasking is actually rapid switching of attention. The brain prioritises one stream of information at a time, creating the illusion of simultaneous awareness.

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On This Day — 20th April 1902

In 1902, Pierre and Marie Curie succeeded in refining radium chloride, an achievement that marked an important stage in the early study of radioactivity. The work did not arrive as a sudden revelation, but as the result of prolonged labour, precision, and persistence in a field that was still only beginning to take shape. What made the moment significant was not spectacle, but extraction.…

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