Wooden compost bins in the Morse Kelley community garden.Adafruit Trinket (3v) microcontroller compared with a US quarter.Adafruit Trinket (3v) microcontroller with a mini-USB cable plugged in.The threads on the end of a spoke from a bicycle wheel. The spoke diameter is 2mm, but the threads extend beyond the nominal spoke diameter because they are rolled rather than cut.A used spoke nipple from a bicycle wheel.Bicycle spoke nipples.The drive-side view of a bicycle casette. Centered in the image is the tooth count engraved on the side of the smallest cog. "11T" denotes 11 teeth.Seatpost information engraved near the bottom of the seatpost. This seatpost has an outside diameter of 26.8mm.Seatpost information printed near the bottom of the seatpost. This seatpost has an outside diameter of 27.2mm.Tektro R536 dual-pivot caliper brake for bicycles.Tektro R536 dual-pivot caliper brake for bicycles.Worn metallic disc brake pads taken out of Avid BB7 disc brake calipers. These pads began at about 3mm of pad material to about 1mm (as pictured).The entrance of the Somerville Theatre in Somerville, MA.Following the end of a film showing, audience are exiting the Somerville Theatre.
