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Höweler & Yoon. Sean Collier Memorial, Cambridge, MA. USA. photos: Scott Newland

The permanent Collier Memorial offers the opportunity to remember Officer Sean Collier and honor his life and service, and represent shared values: openness in the face of threat, unity through diversity, and strength through community.

Fun fact: Every time your heart beats, your skin flushes red with fresh blood just a tiny bit. Go ahead, take a look. If you’re reading this on a bus, stare intently at the person next to you and see if you can spot the subtle, rhythmic blush. If you don’t get immediately sprayed with Mace, then chances are you won’t ever see a thing, because the color change is so small that it’s pretty much invisible. But now, optics researchers at MIT have released an open-source program called Eulerian Video Magnification, which takes ordinary videos and magnifies those microscopic changes to show you what you’re missing. The results range from merely odd to downright terrifying.

But EVM works on more than colors; it picks up on subtle movements, too. As you can see in this video, even when you’re sitting still, the pumping action of your heart is enough to make your head jiggle like you’re sitting on an enormous speaker with the bass turned up

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