ra’s avatarra’s Twitter Archive—№ 34,940

  1. NEIL DEGRASSE TYSON: 50 shades? unlikely. the human eye can perceive at most around 30 shades of gray in good lighting conditions.
    oh my god twitter doesn’t include alt text from images in their API
    On twitter.com Twitter logo ra’s avatar ❤️ 12 Favorites Mood +1 🙂