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Zero-Covid harming 75% of European firms in China: business group

Beijing (AFP) Sept 21, 2022 - China's inflexible and inconsistent zero-Covid policy is crippling European business operations in the country, a major business lobby said Wednesday, warning that the presence of the companies can no longer be taken for granted.

By Space War Editorial Team · Jun 25, 2026

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Nukewars

Why does concrete poured into harbour walls two thousand years ago keep growing reinforcing minerals in seawater, while modern reinforced piers can suffer corrosion damage within decades?

A July 2026 study of concrete beneath a 1,900-year-old latrine at Hadrian's Villa shows why Roman harbour walls grow stronger with age while modern reinforced piers fail within fifty years. The answer is a slow mineral reaction — and a steel skeleton that turns the same reaction into a countdown.

By Space War Editorial Team · Jul 31, 2026
Nukewars

In 1952, Alfred Hershey and Martha Chase put radioactive virus-infected bacteria through a kitchen blender, and the tubes helped settle that DNA, not protein, carried genetic information

In September 1952, Alfred Hershey and Martha Chase used a Waring blender, radioactive phosphorus and sulphur, and a bacterial virus to prove that DNA — not protein — carries the instructions for life. Seven months later, Watson and Crick had the double helix.

By Space War Editorial Team · Jul 30, 2026
Nukewars

How does a single family of dam-building rodents, reintroduced to a drought-cracked valley, raise the water table by close to a metre and store more carbon in the resulting wetland than an equivalent area of forest?

A single family of beavers reintroduced to a Devon valley raised the water table by more than a metre within a decade and locked carbon into pond sediments faster per hectare than the surrounding oak woods. The mechanism is stepped dams, saturated floodplains, and anoxic mud.

By Space War Editorial Team · Jul 30, 2026
Nukewars

The GPS satellites orbiting 20,200 kilometres overhead must correct their atomic clocks by 38 microseconds per day, because Einstein's relativity predicts time itself runs faster up there where Earth's gravity is weaker

GPS satellites at 20,200 kilometres altitude gain 38 microseconds per day because Earth's weaker gravity makes their atomic clocks tick faster — a relativistic correction engineered in before launch that keeps satellite navigation from drifting 10 kilometres off course every 24 hours.

By Space War Editorial Team · Jul 30, 2026
Nukewars

In 1961, a Soviet test over Novaya Zemlya detonated a 50-megaton hydrogen bomb called Tsar Bomba whose mushroom cloud reached 64 kilometres into the sky and whose flash was visible from roughly 1,000 kilometres away, still the largest explosion humans have ever produced

On 30 October 1961, the Soviet Union detonated a 50-megaton hydrogen bomb over Novaya Zemlya — a mushroom cloud that climbed 64 kilometres and a flash visible 1,000 kilometres away. More than six decades later, Tsar Bomba is still the largest explosion humans have ever produced.

By Space War Editorial Team · Jul 28, 2026

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Conflict, strategy, and defense technology.

SpaceWar is an independent publication covering military space, nuclear strategy, great-power competition, defense technology, and the security forces shaping modern conflict. The site pairs a deep archive with current reporting on the governments, companies, policy shifts, and technical breakthroughs shaping defense, deterrence, and global security. We employ modern AI technologies to support our editorial workflows; every published piece is editorially directed and reviewed.

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