This scientist from Lviv, Ukraine create a homemade firecracker that explodes like a professional pyrotechnics display.<br /><br />Footage from December 20, 2019, shows the device detonating in a controlled environment and subsequently from beneath the surface of a field.<br /><br />The filmer explained: "[It was an] experiment with Potassium Chlorate & Aluminum Powder, which together make a dazzling firecracker."