Okay so not a lot of info to go by but the avalanche mitigation arm of the Swiss company Wyssen just dropped this teaser for a new ordinance that only becomes explosive moments before its use. Here’s how they explain it and a short demonstration video (shockwave porn if you go 1080p and .25 speed):

“Blasting without explosives: Unlike traditional explosive charges, which can be ignited at anytime, the Wyssen 2K® becomes an explosive material only moments before use. This creates an incredibly safe and easy to handle charge. Additionally 2K® has many advantages during transport and storage.”