For the highest safety factor, you may consider two of the safest means that are rarely used in the amateur pyro field: mechanical detonation and electrical. In terms of mechanical detonation, there are a variety of simple ways. One of the most obvious is shooting a target, such as ETN, with a fairly sturdy metal backing.…
Sup :) Someone also re-up'd my FAE attempt. https://www.youtube.com/watch?v=7dW1qkBg8sM I've always loved the crazy atmospheric effects caused my air burst nuclear testing. Some of my favorite examples are at :52 and 3:00 of this video. https://www.youtube.com/watch?v=-dDwkuVKLhE