School science laboratories contain many containers of flammable, toxic, reactive and corrosive chemicals. How can schools create safer science labs so teachers and students can be protected from chemical exposures and prepared to safely respond to chemical spills.
Published on Nov 22, 2013
With participants in the DO-IT program at the University of Washington, this video features successful students suggesting ways to make science activities accessible to those with disabilities.
When light passes through the universe and is redshifted by the expansion of space itself, how is energy conserved? The stretched light has a longer wavelength and therefore a lower energy. Is energy conserved? If so, where does it go?