Love the Boltzmann Formula? Wake up to a little physics wit. This ceramic coffee mug pairs a clean white exterior with a colored handle and interior, carrying a playful physics line—’Entropy S = kB ln W, I’m Just Fighting The Heat Death Of The Universe one cup at a time’—that’ll make your morning slow sip feel like a tiny nerdy joke. It’s glossy, brightly printed, and sits comfortably in hand with its C-shaped handle. Use it for your first pour, your midday refill, or when you need a grin before tackling equations or inboxes. The contrast of color and print pops in the light, and the durable finish keeps the design crisp through daily use. Product features - Microwave-safe for quick reheats - Dishwasher-safe for easy cleaning - Available in 11oz - White ceramic with glossy finish and C-shaped handle - Lead- and BPA-free; vibrant, long-lasting print Care instructions - Clean in dishwasher or wash by hand with warm water and dish soap