To be fair, that's exactly how artificial nuclear fusion was done for the first time, (Also by the Brits, in 1934) accelerating a deuterium beam at a deuterated

To be fair, that's exactly how artificial nuclear fusion was done for the first time, (Also by the Brits, in 1934) accelerating a deuterium beam at a deuterated target: https://www.nature.com/articles/133413a0 https://www.nature.com/articles/133413a0 Just with a really small gun and little teeny bullets.