A simple yet brilliant sensor made with dye‑coated silica squares changes color upon exposure to 12 toxic gases, identifying them with 99% accuracy in just five minutes. It’s low‑cost, durable, and humidity‑proof—a practical breakthrough for environmental safety. 
(c) Max Muselmann/Unspaolsh CC0

Sensor ya Karatasi Inayobadilisha Rangi Kuchunguza Gesi Hatari

PHYS

Sensor rahisi ya karatasi iliyotengenezwa kwa vipande vya silica yenye rangi inaweza kugundua gesi 12 zenye sumu kwa usahihi wa 99 % kwa ndani ya dakika tano. Ni nafuu, imara, na haikoseluni na unyevu—ni suluhisho dhabiti kwa usalama wetu.

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