PRESS RELEASE. TORONTO, ON, September 30, 2026 — Does the magnetar 1E 1547.0−5408 show empty space bending light? A proof of which measurement can decide, and a first answer In August, a team using NASA’s IXPE telescope reported in Nature that the magnetar 1E 1547.0−5408 may be showing vacuum birefringence: empty space, strained by a … Continue reading Is empty space really bending light around a dead star?