Graduated cylinders are tall, narrow cylinders that are open ... Cylinder volume can range from less than 10 ml to over 4,000 ml. Glass and transparent plastic are common materials. Glass cylinders ...

The foam will rise to about the top of a 50-mL graduated cylinder. Rinse out the graduated cylinder, dry it with a paper towel, and add ¼ teaspoon of baking soda to the cylinder. Stand the graduated ...

Using a graduated cylinder or a measuring spoon, measure 15 mL (one tablespoon) of universal indicator solution and pour it into one of the clear plastic cups. Repeat this step for the other clear ...

For the past several years, I’ve been telling my friends what I’m going to tell you: Throw out your black plastic spatula. In a world of plastic consumer goods, avoiding the material entirely ...

In Sect. 3.2 we discussed a sizing criterion for thick cylinders that does not include the plastic flow of internal fibers, limiting the maximum value of the ideal stress to the yield strength. We ...

Plastic bags start out as fossil fuels and end up as deadly waste in landfills and the ocean. Birds often mistake shredded plastic bags for food, filling their stomachs with toxic debris. For hungry ...

This story is part of Planet or Plastic?—our multiyear effort to raise awareness about the global plastic waste crisis. Learn what you can do to reduce your own single-use plastics. Read this ...

And you may need to be wary of plastic cooking utensils if you decide to cook at home. A new peer-reviewed study raises concerns that recycled plastic containing flame retardants, initially used ...

Scientists have new evidence to explain why plastic is dangerous to sea turtles: the animals mistake the scent of plastic for food. Thus, a plastic bag floating in the sea not only looks like a ...

Europe made an eco-friendly change to plastic bottles. It is driving tourists crazy. Abby Gendell encountered one after a hot ...

Scientists have developed a "self-digesting plastic", which, they say, could help reduce pollution. Polyurethane is used in everything from phone cases to trainers, but is tricky to recycle and ...

Plastic is a really useful man-made material that has transformed our lives, but what happens after we throw it away is causing a big problem for our planet. Plastic waste can last for hundreds of ...