Lasers to the rescue. One of the beautiful parts about my commute into Washington, D.C., from suburban Virginia is crossing the Potomac. Before we moved offices in 2015, I’d drive by the Lincoln Memorial every day. It was like living in a movie. Now, even though our new office is merely two streets over from our old one, it’s faster for me to drive across the 14th Street bridge, where I see the Jefferson Memorial. I’ve always been more partial to Lincoln than Jefferson, but in recent years the Jefferson Memorial has gotten … grimy. Turns out, per the blog DCist, it’s biofilm:
And while it’s taken a few years to find a good solution—it is a national monument, after all—they’ve found one. LASERS. Who doesn’t love lasers? The process, which is really neat, is called laser ablation.
