Scientists composted “biodegradable” balloons. Here’s what happened next.
Inverse,
The knots we spent hours painstakingly tying by hand more than four months ago were still attached, and sparkly blue balloons…
The knots we spent hours painstakingly tying by hand more than four months ago were still attached, and sparkly blue balloons…
After 16 weeks in an industrial compost heap, we unearthed blue and white balloons and found them totally unscathed.