SMRTR Science & EngineeringSep 16, 2026Reddit

Energy US boosts perovskite films’ performance for indoor solar power with 35% bromine recipe

SMRTR summary

Penn State researchers found that perovskite thin films with 35% bromine optimally harvest indoor light. Using a new antisolvent and protective layer, the film retained full performance for 240 hours, enabling battery-free sensors and wearables.

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Science & EngineeringSep 16, 2026

Fibonacci product

Multiplying four consecutive Fibonacci numbers always equals the product of two consecutive integers (e.g., 3×5×8×13=39×40). The pair is Fn+1×Fn+2 for odd n, or Fn×Fn+3 for even n.