Solar An orrery illustrates or predicts the relative positions and movement of the solar system's planets and moons. A model based on the current view of the solar system was first built in 1704, and presented to the Earl of Orrery. It is akin to the ancient Greek tool known as the Antikythera mechanism, discovered in 1900 and believed to date from the first century BCE.
Which of these is a type of generator of electric current in which mechanical energy is converted to electrical energy? A. Dynamo B. Domino C. Eurythmic D. Motor
A sculpture, mechanical, steam-snorting, mostly aluminium, and labelled "The Raging…(what)", was led into the opening ceremony for the Commonwealth Games 2022 in Birmingham, UK?
What word, originally applied to a large, flawless diamond, is now used to denote a model of excellence or perfection of any kind?
In 2013 a new gene-editing system was discovered which offered an alternative to protein-based targeting. What was it called?
