In honor of upcoming Earth Day (April 22!), we wanted to share this interesting video showing how a resourceful engineer transformed 2-liter bottles into bright light bulbs using just water, bleach, and a camera film dispenser:
In honor of upcoming Earth Day (April 22!), we wanted to share this interesting video showing how a resourceful engineer transformed 2-liter bottles into bright light bulbs using just water, bleach, and a camera film dispenser: