Reticle - Wikipedia
eye - Wiktionary, the free dictionary
glow stick - Wiktionary, the free dictionary
3D bioprinting - Wikipedia
Typesetting - Wikipedia
snow - Wiktionary, the free dictionary
Selenium - Wikipedia, the free encyclopedia
CD-R - Wiktionary, the free dictionary
TIL: The word for stretching and yawning at the same time
laser - Wiktionary, the free dictionary
lightsaber - Wiktionary, the free dictionary
boom vang - Wiktionary, the free dictionary
gravitational wave - Wiktionary, the free dictionary