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POWERING THE FUTURE  New chemistries and designs promise to take batteries into the 21st century to store energy from solar and wind farms and send energy to homes and businesses.

Charging the Future

This guide introduces students to the basics of battery design, including the chemical reactions involved, and even encourages students to build and test their own batteries.

Spacetime ripples found at last

These questions focus on gravitational waves, gravitational wave detectors and how observing gravitational waves can improve our understanding of the universe.

Wave detection

Students will design, build, test and optmize their own light-based detector for waves (a simple optical seismometer) and will explore how this detector relates to more sophisticated gravitational wave detectors.

Wave generation

Students will generate and observe waves in a clear pan of water, drawing connections between these waves and light and gravitational waves.

Doing the wave

These discussion prompts cover the general properties and types of waves, how humans and other animals detect waves, and the design of laboratory wave detectors.
SWEET SUCCESS  For the first time, physicists have directly observed gravitational waves, caused by two black holes colliding (illustrated here).

Making Waves

This guide focuses on one big discovery in 2016 (the detection of gravitational waves) and one hot topic (the challenges in developing and embracing self-driving cars).

Corals across the disciplines

These discussion prompts cover coral reproduction, photosynthesis and respiration, greenhouse gases, fluorescence and how communities can minimize their impacts on reefs.