Liquid Crystals Blue Phase Liquid Crystal (BPLC) droplets mostly in BPI BPLC droplets mostly in BPII BPLC droplets in the isotropic phase Collection of BPLC droplets in all phases Biophysics Controlling worm motion with neural activity. Batteries Image of a coin cell battery in an acoustic emission monitoring setup features in MIT News. Coin cell batteries in the acoustic emission monitoring setup. Coin cell batteries in the acoustic emission monitoring setup.