Astronomy

Gravitational Wave Communication: Can You Actually Use Spacetime Ripples to Send a Message?

A lab emitter radiates 10⁻²⁷ watts. LIGO detects black hole mergers at 10⁴⁹ watts. That 76-order gap is why gravitational wave communication is TRL 1.

NASA’s James Webb Space Telescope Completes Environmental Testing

Astronomy

Nanotechnology Infrared Optics for Astronomy Missions

Metalenz, DARPA ENVision, HWO, PRIMA, T2SL detectors, ALD coatings, and China's germanium ban: nanophotonic IR optics for astronomy assessed in full.