Measurement technologies are getting increasingly sensitive -- but what does it mean for risk when we can measure the smallest amount of a substance in the stuff we eat, drink and breathe? Note: In talking about the hypothetical risk from the hypothetical substance Greensave, the video talks abou
What are the ethical issues that emerge as our ability to detect chemicals in the environment around us improves? This week's risk bites looks at the ethical dimension of the measurement conundrum -- when our ability to detect stuff outstrips our understanding of what to do with the information. Th
The pH value calculation for weak acids (and bases) is explained. This is more demanding than with strong acids and bases. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
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
The pH value calculation for strong acids is described. In the end, also for strong bases. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
Learn the basics about Measures of electricity. What techniques and methods are used to measure electricity? Find out more in this video! This video is part of 'Chemistry for All' - a Chemistry Education project by our Charity Fuse Foundation - the organisation behind The Fuse School. These videos
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
This screencast discusses the mathematical derivation of pH and pOH. The ionic product of the water is decisive for this. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
Learn the basics about the pH scale, universal indicator and litmus paper. Indicators tells if something is acidic, alkaline or neutral. Indicators are substances that show different colours when they are in acidic or alkaline conditions. Litmus paper is a simple indicator that tells us whether so
Our stationary probes measure the local dose rate at a specific location around the clock. So we always know how much it is radiating at that place. But in order to determine what is radiating there - i.e. which substances - we need a different kind of measurement. We carry them out at regular inter
1,700 probes are distributed throughout Germany and permanently monitor the #Umweltradioaktivität. In this video we show you where the probes are, what the measurement results depend on and what can happen in the life of a probe ... You can see the exact measurement results here: https://odlinfo.bf
Click here to see more videos: https://alugha.com/FuseSchool Here, we have 3 farmers Bob, Jack and Jill. They need to fence their fields to stop their sheep from running away. However, they’re not too sure how much fencing to buy, especially since their fields have different shapes. In order to
