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Sticky Triangles

 Mathematics - Research News
 24 May 2022
Can you continue this pattern of triangles and begin to predict how many sticks are used for each new "layer"?...

Halting a wave in its tracks

 Physics General News
 23 May 2022
Topological ideas have recently taken the center stage of modern electromagnetics. Typical topological photonic systems are based on nonreciprocal materials, a class of materials that enables asymmetric light–matter interactions. In particular, nonreciprocal platforms may support unidirectional...

Diamond mirrors for high-powered lasers

 Physics General News
 23 May 2022
Just about every car, train and plane that's been built since 1970 has been manufactured using high-power lasers that shoot a continuous beam of light. These lasers are strong enough to cut steel, precise enough to perform surgery, and powerful enough to carry messages into deep space. They are so...

Chain of Changes

 Mathematics - Research News
 23 May 2022
Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?...

Plants

 Mathematics - Research News
 23 May 2022
Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?...

High-performance heaters based on nanoscale-thick graphite films

 Nanotechnology News
 23 May 2022
Combining multiple carbon nanomaterials in a single substance can yield surprising properties. KAUST researchers have created thin graphite films that could act as high-performance flexible heater panels, reaching several hundred degrees within seconds when a small voltage is applied. They also...