Finally, after many failed experiments, long nights and liters of coffee, they came up with a mix of coffee grounds wood grains and a biopolymer of cellulose, lignin, and natural resins that seemed to behave the way Julian had envisioned it when he first embarked on his quest.
Belsito, who spoke to The Wall Street Journal about the risks, noted that dyes and formaldehyde resins can spark skin irritation in some or a full-blown allergic reaction in others.
Belsito, who spoke to The Wall Street Journal about the risks, noted that dyes and formaldehyde resins can spark skin irritation in some or a full-blown allergic reaction in others.
