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Latest Issues

Hand Held Laser Welders

Never say Twitter hasn’t contributed to the rebirth of American manufacturing. One of my favorite anecdotes in the unfolding story of that rebirth is Elon Musk scrolling Twitter, seeing a video of a Chinese hand-held laser welder, ordering...

a month ago
29

Bottlenecks

There is a long and underappreciated list of things that America is running short on, and many of the most critical and fascinating rarely come up in the news cycle.

We all know about the domestic gaps in rare earth metal mining and refini...

a month ago
9
1

Critical's Race to Power America

In early August, inside a nondescript warehouse on the industrial edge of Los Angeles, Spencer Jackson and his team spun up a power plant. It was a compact 50-kilowatt turbine rig, packed into a shipping container, that they designed and bu...

8 months ago
16
1

Humba's Inaugural Deep Tech Fellows

Last month, we kicked off Humba Ventures’ first deep tech fellowship. It’s a new program we’re running where operators and researchers in and around the deep tech ecosystem can join us for a month or two to sit in on pitch meetings, connect...

9 months ago
8
1

The Elements of Industry

The Problem of Enrichment

In the 1970s, the United States developed one of the most powerful technologies you've never heard of — a universal method for pulling apart and isolating atoms at will. Originally designed to enrich uranium...

a year ago
16

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Authors

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  • Leo Polovets

    General Partner at Susa Ventures and Humba Ventures. Early engineer at LinkedIn and Factual, not-that-early engineer at Google. Investing interests: b2b SaaS, deep tech, and sectors critical to our nation's future.

  • Anna-Sofia Lesiv

    I'm an investor at humba ventures, and I write essays.

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