AlphaHub on Instagram: "Follow us @brainbits_wi This video shows an intense heat test where a powerful jet/flame lighter is applied directly to a tennis ball to observe how the material reacts under extreme temperature. What is happening in the video A jet lighter produces a high-temperature, concentrated flame. The tennis ball’s outer layer is made of rubber and felt, with pressurized air sealed inside. When the flame is applied, the outer felt burns first, followed by rubber softening and melt