We published a whopping 28 Behind the Papers in January - here's our three most viewed posts: 

• Junxue Li on discovering an electrical detection method for terahertz electromagnetic waves.  
• The integration of metasurfaces for laser beam shaping by Patrice Genevet. 
• And Eva Grimaldi's story on developing faster memory devices by overcoming the switching reliability and speed problem. 

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Poster image is from Eva's Behind the Paper.