Bright Bankroll: Loot that Lights Up in Your Wallet

How many times have you tried to pay your bar tab in a dark club, only to find that the lighting is too low to actually see the bills you’re pulling out of your wallet? Designers Jaesik Heo, Hojoon Lim and Dahaeng Lim think this is a big problem, so they’ve envisioned the future of paper currency: bills that glow.