Particles and Waves
Even before the crisis of the atom, there was evidence that light, which was certainly a wave, could sometimes act like a particle. In the new physics, called quantum mechanics, not only does light come in quanta called photons, but electrons and other particles also interfere like waves.
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ISS Update: Happy 68th Birthday Smokey Bear -- 08.09.12
ISS Update commentator Amiko Kauderer interviews Jeffrey Miller from the U.S. Forest Service inside Mission Control Center. It is the 68th birthday of Smokey Bear who has been promoting fire safety and prevention through the message, "Only You Can Prevent Wildfires." Questions? Ask us on Twitter @NASA_Johnson and include the hashtag #askStation.
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Colours of emotions
Laura Bassas
This module is a CLIL lesson plan to teach emotions in English through art. There are 5 tasks to do with children. This lesson plan is designed for students who are learning English as a second […]

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Photosynthesis Part II: The Calvin Cycle, Environmental Conditions and Preventing Photorespiration

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