Melting a Penny with a Fresnel Lens in under 3 seconds Sun Solar GREENPOWERSCIENCE 1:23 8 years ago 45 265 Скачать Далее
Fresnel Lens melting GRANITE 2300˚ Fahrenheit make Obsidian FRESNEL LENS GREENPOWERSCIENCE 1:30 8 years ago 292 178 Скачать Далее
Melt a Penny with the Sun and a Fresnel Lens - (magnifying glass) John Daniels 1:44 7 years ago 18 976 Скачать Далее
Solar Key Making DIY keys with a Fresnel Lens Melting Pennies With Fresnel Lens Solar Power GREENPOWERSCIENCE 3:26 11 years ago 86 066 Скачать Далее
Melting penny with solar death ray #physics #science joemyheck 0:13 11 months ago 30 032 Скачать Далее
Solar heat ray lens from TV melts rock into lava then glass joemyheck 2:14 5 years ago 1 111 543 Скачать Далее
Melting Pennies Using The Sun, Fresnel Lens #shorts Emily Suzanne 1:00 10 months ago 727 Скачать Далее
Fresnel Lens 3002ºF DIY Lava Obsidian FARMING Melt Rock Sunlight Solar greenpowerscience GREENPOWERSCIENCE 5:52 12 years ago 708 330 Скачать Далее
Giant lens from old TV melts sand into glass #physics #science joemyheck 0:27 8 months ago 5 706 955 Скачать Далее