Mad Science opens crafting of the Voltaic Bomb upgrade I. You need to have finished the memory Breaking News, where the bomb is invented.
Mad Science is entry 9 of 9 in the Insider branch, one of the three branches (Ringleader, Insider and Swindler) on the Rooks' 39-upgrade board. It is bought with money and materials, not skill points: £2,500, 50 Metal, 25 Chemicals. Before Mad Science unlocks you need Breaking News and Medicine Market.
Ale Heist
Ale carts run through the city; hijack or escort them for cash.
Black Market Affiliation
Gun and throwing knife ammunition costs 25% less at every shop.
Carriage Sabotage
Blighter carriages become less resilient.
City-Wide Craze
Halves the price of hallucinogenic darts.