The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

clear all ✕

why aren't all 2 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 2 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Prediction Open · timeframe Jun 2031
Mueller predicts Deneb will be the highest-performing hydrocarbon engine ever
“This engine will probably be the highest performing hydrocarbon engine ever flown because it's, it has a very high area ratio.”
Tom Mueller Jun 4, 2026 ▶ 11:03 Tom Mueller: SpaceX's #1 Employee Built the Merlin Engine. Now He's Building Impulse Space · Sourcery with Molly O'Shea
Assertion Open · timeframe Jun 2029
Romo: Helios Reaches GEO in Eight Hours Cheaper Than Falcon Heavy
“Helios gets them to their same, same place they want to go the same day to launch eight hours later. And it's cheaper than a Falcon Heavy, more expensive than Falcon Nine, obviously, because they need to play for, pay for that and the Helios”
Eric Romo Jun 2, 2026 ▶ 19:52 Why Impulse Raised $500M to Move Things in Space | President & COO Eric Romo · Sourcery with Molly O'Shea
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