Keeping the peace when independent operations can make their own giant robots. Staying somewhat prepared for returning existential threats.
Stowing expensive purpose-built machinery. Aircraft graveyards. The economics of storing and securing out-of-production technology for later use.
Avoiding trouble with the square-cube law by building smaller robots. Boston Dynamics and the inevitable impression of the coming robot apocalypse. Parkour Atlas. Robot kumite.
Securing mobile war machines. EMPs. Resistance to signal-jamming. Broad attack surfaces.
Brain in a jar
IRL progress towards a brain in a jar: human brain organoids implanted on a mouse brain. Sensory apparatus and feeling pain. Getting (ethically) hairy.
Rare earth elements
Actually: not so rare! But a pain in the ass to extract. The Japanese rare earth ocean-bottom treasure trove and how it will be difficult to access. Mining rare earth elements from spaaaaaaaace and how we probably need a new colloquial name for these materials. Underwater volcanoes.
Jaeger blood rocket fuel
Magical Jaeger blood rocker fuel. Gravity gun space race. Keeping Earth as a farm for kaiju blood, fueling our expansion into the entire solar system. Throwing rocks at things for fun and profit.
What: Vampires have taken over the world, but face a resource crisis as the human population dwindles to near-extinction. This is actually a really good movie idea, btw. Directed by: The Spierig Brothers Starring: Ethan Hawke, Willem Dafoe, Sam Neill