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Showing 10 results from a total of 659

Understand issue29EM_Astronomy
| Issue 29

More than meets the eye: how space telescopes see beyond the rainbow

How do astronomers investigate the life cycle of stars? At the European Space Agency, it’s done using space-based missions that observe the sky in ultraviolet, visible and infrared light – as this fourth article in a series about astronomy and the electromagnetic spectrum describes.

Ages: 16-19;
Topics: Physics, Astronomy / space
       

Teach issue29water_trees
| Issue 29

How water travels up trees

Why do giant redwoods grow so tall and then stop? It all has to do with how high water can travel up their branches.

Ages: 16-19;
Topics: Biology
   

Teach issue29thiocyanate
| Issue 29

Become a water quality analyst

Industrial activities and even geological changes can affect the quality of water, causing contamination that poses risks to human health and the environment. Learn how to become an independent analyst to ensure that we have good-quality water.

Ages: 16-19;
Topics: Biology, Chemistry, Engineering
             

Teach issue29solar_bulb
| Issue 29

Light refraction in primary education: the solar bottle bulb

​More than 10 years ago, a very clever and inventive inhabitant from a favela discovered he could produce light without electricity. Now solar bulbs are spreading all over the world.

Ages: <11, 11-14;
Topics: Physics, Engineering
       

Teach issue29solar_wind
| Issue 29

Simulating the effect of the solar wind

​The smooth operation of communications satellites can be influenced by solar weather. Mimic this effect on a smaller scale in the classroom with a simple demonstration.

Ages: 14-16, 16-19;
Topics: Physics, Astronomy / space, Engineering

Understand issue29pellets
| Issue 29

Super cold meets super hot

To keep refuelling its reactor, the EFDA-JET facility fires frozen hydrogen pellets into 150 million°C plasma. But these pellets have an added benefit as well.

Ages: 16-19;
Topics: Physics, Engineering