Laser Cork Sensor Detects Hidden Poison in Drinks!

Scientists from Brazil have developed an incredible laser-modified cork sensor that can detect sodium nitrite (NaNO₂) — a harmful preservative that can form carcinogenic compounds inside the body.
This groundbreaking research from the Federal University of São Carlos (UFSCar) shows how a simple natural cork, when treated with a laser, turns into graphene — a highly conductive material capable of detecting even tiny traces of nitrite in drinks like wine, orange juice, and water.
The process is eco-friendly, low-cost, and could revolutionize how we ensure food and beverage safety in the future.
Watch how light transforms cork into a life-saving sensor.
🎥 Science that protects your health — one cork at a time.
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