https://www.essential-business.pt/2021/10/06/pandora-papers-whos-on-the-list-from-portugal/
https://www.documentcloud.org/documents/21071687-declaration-zel-shelf
https://www.occrp.org/en/the-pandora-papers/pandora-papers-reveal-offshore-holdings-of-ukrainian-president-and-his-inner-circle
E = 0.002 × (3 × 10⁸)² = 1.8 × 10¹⁴ joules 130 TW = 1.3 × 10¹⁴ W → 1.3 × 10¹⁴ J/s m = E / c² = 1.3 × 10¹⁴ / (9 × 10¹⁶) ≈ 0.00144 kg