Researchers have encoded a picture of a cat into a single laser beam, demonstrating a simple system that can create detailed images within a beam of light. This technique could be used to more ...

Metasurfaces offer an innovative approach to controlling light. Courtesy: P Genevet Vertical-cavity surface-emitting lasers (VCSELs) have emerged as a highly versatile light source over the past 30 ...

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“Full-chip curvilinear inverse lithography technology (ILT) requires mask writers to write full reticle curvilinear mask patterns in a reasonable write time. We jointly study and present the benefits ...

Scatter pattern produced by doughnut-shaped beams of light bouncing off of an object with a regularly repeating structure. Credit: Wang, et al., 2023, "Optica" Scatter pattern produced by ...

Much of this story is going to sound like hokum, but bear with me because doughnut-shaped laser beams have become my new favourite scientific innovation. Especially since scientists were able to ...

In 1820, Hans Christian Oersted gave a demonstration on electricity to a class of advanced students at the University of Copenhagen in Denmark. Using an early battery prototype, he looked to see what ...

Across much of the manufacturing world, companies address intensifying market pressures by finding innovative ways to reduce production time and cost, while maximizing production throughput. An ...

A wood and iron scale used for the weighing of enslaved persons for sale. The scale consists of a wrought iron center fulcrum (.3) on an inverted T-shaped beams, to which was attached a round, wooden ...

A new laser-based technique can create images of structures too tiny to view with traditional microscopes, and without damaging them. The approach could help scientists inspect nanoelectronics, ...