A slow-poke magnet, chaotic pendulum and opposing grapes? Explore magnetic fields and the characteristics that make ferromagnetic and diamagnetic materials, including Lenz’s Law. STEM Challenge: design and build a linear magnetic accelerator.
In the middle of Rio de Janeiro sits the world’s largest urban rainforest: Tijuca National park. To combat a century of deforestation and hunting, a team of researchers are repairing the forest’s forgotten web of life, one species at a time.