Instrumented the beers-law-lab wavelength slider and tweaker buttons, see https://github.com/phetsims/together/issues/250
Instrumented the beers-law-lab wavelength slider and tweaker buttons, see https://github.com/phetsims/together/issues/250

phetsims/scenery-phet,phetsims/scenery-phet,phetsims/scenery-phet