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Dondi’s Astrarium

Dondi’s Astrarium is considered to be the very first mechanical planetary clock. It was designed in Italy at the end of the 14th century by Giovanni Dondi (1330-1388) who created this large brass mechanism, roughly a metre tall, to automate the complex calculations necessary to create horoscopes....

Review: London Transport Museum

The London Transport Museum has a huge collection of fascinating vehicles, artefacts, documents and memorabilia covering, not only the technical history of London’s growing transport networks from the 19th century and earlier, but also many of the social changes that developed alongside them. The collection was started...

New D-Day movie: Pressure

The word is, Australian filmmaker Anthony Maras is working on a new WW2 movie titled Pressure, which focuses on the go/no-go decision that Gen Eisenhower had to make on the eve of D-Day and the role that meteorologist Group Captain James Stagg played in that famous decision....

American Airlines to buy 100 hydrogen-powered engines

American Airlines have announced that it has entered into a conditional purchase agreement with clean aviation innovator ZeroAvia for 100 hydrogen-electric engines intended to power regional jet aircraft with zero in flight emissions except for water vapor. ZeroAvia is developing hydrogen-electric (fuel cell-powered) engines for commercial aircraft,...