Abstract: Reconfigurable Intelligent Surface (RIS) technology enables programmable wireless propagation through passive beamforming. However, large-scale implementations often incur excessive control ...

Sixty years ago engineer Denys Fisher settled down to relax on a Sunday night and listen to a spot of classical music. Within minutes, he was hit by a Eureka moment that solved a problem he had been ...

Denys Fisher was inspired by the cogs and levers he worked with as an engineer Sixty years ago engineer Denys Fisher settled down to relax on a Sunday night and listen to a spot of classical music.

Your browser does not support JavaScript is a common error and can be solved really quickly, in just a few steps. Without JavaScript the content of the web pages you ...

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A local inventor who went from making bicycle springs for Raleigh, to detonators for NATO, to inventing the Spirograph and creating a children's toy company. This is the story of Denys Fisher. Gayle ...

Months ago, I observed a student drawing spiraling circles over and over on a sheet of notebook paper while participating in our class discussion. For some reason, I was reminded of an old toy my ...

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Have you been left in awe by the stunning intricate designs created by a pen and gears by seemingly following the same pattern of movement over and over again? Did you wonder "How the heck is that ...

After studying the intricate designs of a pound note, Denys Fisher came up with the idea for the legendary pattern-drawing toy, Spirograph. It won the Toy of the Year in 1967 and had sold over 30 ...

The elegance of mathematics wasn’t a passing thought when I was a youngster. A drawing set introduced the graceful orderliness without my even knowing it. Securing the larger ring with cut-out centre ...

With inspiration from the famous Spirograph Girl, primary school pupils aged 7 to 11, kids can create autumn themed Spirograph designs to win a Spirograph bundle for themselves and their school, plus ...