IN A NUTSHELL 🔬 Styropyro, a YouTuber and chemist, built a 250-watt handheld laser, vastly exceeding standard safety limits. ⚠️ The laser is approximately 50,000 times more powerful than commercial pointers, raising significant safety concerns. 🛠️ Using high-power blue laser diodes and knife-edge combiners, he achieved an ultra-powerful beam capable of burning through materials. 🔍 … Continue reading “I Built a Laser from Hell”: YouTuber Unleashes World’s Strongest Handheld Beam That Instantly Melts Metal and Ignites Anything