Search results for “measuring lead in chocolate”

Should I be worried about lead in chocolate?

Some chocolate contains lead. Is this safe? And does the ability to measure minute quantities of lead in chocolate make the product less safe? This week's Risk Bites is about the measurement conundrum -- what do you do when you can measure what's in the stuff you eat to the nth degree? It's not p

The Polarimeter - Setup and Measurement

The polarimeter is an important measuring instrument for determining the specific angle of rotation of an optically active substance. This first video is exclusively about the construction of a polarimeter. Afterwards, a short measurement is also carried out. Only in another video will I explain how

How to measure a radiator

How to measure your radiator for a Fichman Furniture Radiator Cover. This video shows a simple and straightforward process to measure your radiator. We love to help - if you have questions call us at 1-888-RAD-COVS or email a photo of your radiator to service@fichman.com! A written version of the

Measuring Distance in the Solar System | NASA Planetary Sciences

Explore how astronomers and scientists use astronomical units to measure distances in the solar system in this video adapted from NASA. The astronomical unit (au) -- equal to the average distance from Earth to the Sun -- is a convenient unit of measure when talking about distances in the solar syste

Could eating chocolate get you a Nobel Prize?

Research published in the New England Journal of Medicine shows an association between the average amount of chocolate each person in country eats, and the number of Nobel Prize winners that country produces. But as the author points out, an association doesn't necessarily mean that eating chocolate