Juan Orbea

Pebble fuel: Typically used for HTGRs, fuel pebbles are meltdown-resistant small, solid pellets that encase uranium fuel (typically HALEU). The pellets retain fission products under all reactor conditions and are structurally more resistant to neutron irradiation, corrosion, and high temperatures than are traditional reactor fuels. TRISO... See more

The economy “wants” to grow more than the 3.5% per year, which constitutes the current “speed limit” that the Federal Reserve bank and other policy makers have established as “safe,” meaning noninflationary. The underlying long-term growth rate will continue at a double exponential rate. Restricting the growth rate of the economy to an arbitrary... See more

While you can't model a once-in-a-lifetime choice, you can model the deliberative tactics of expert decision-makers. These experts aren't just the master strategists running major companies or negotiating high-level diplomacy. They're the novelists who draw out the complexity of their characters' inner lives, the city officials who secure long-term... See more

In April 2022, Canva reported 85 million monthly active users across 190 countries, having added 25 million users in ~7 months. Around that same time Canva had 5 million Pro customers. 85% of the world’s 500 largest companies are using Canva (though many could be on free accounts). More than 500,000 teams are paying for the product. Notable... See more