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(2X) 730 x 530 x 5 mm.Metal tubes, wood & acrylic paint on wooden frames.July 2026. โ EM โ Class Wavelength Ionizing radiation ฮณ Gamma rays 10 pm 100 pm HX Hard X-rays SX Soft X-rays 10 nm EUV Extremeultraviolet 121 nm NUV Near ultraviolet 400 nm [“Light”] Visible spectrum 700 nm Infrared NIR Near … Continue reading spectrum