AI data startup Micro1 reaches $500M gross run rate amid AI training boom; plus, Japanese space tech startup Letara expands beyond satellite thrusters

Surging demand for AI training data is driving rapid growth for the startup and its rivals.

Also, Japanese space startup Letara is betting its hybrid rocket technology can move beyond small satellite thrusters into a broader market for space, defense and security, after raising ¥2.6 billion ($16 million).

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