来自MSN19 天
30 years after warp drives were proposed, we still can't make the math work
But there's one problem: To construct a space-time with this precise geometry, we must employ negative mass ... A minuscule amount of Casimir-effect negative energy isn't enough to power a warp drive, ...
来自MSN14 天
The Geometry of Cities: Why Circles Might Work
CityBeautiful The Geometry of Cities: Why Circles Might Work Posted: February 28, 2025 | Last updated: February 28, 2025 The debate continues: should cities be circles? 🛣️ From Palmanova’s ...