Uc: Cryptics: "Mind the Sharp Bits", "Back in Time", and "Apple & Rosebud"

http://math.uchicago.edu/~wald/mindthesharpbits.html

http://math.uchicago.edu/~wald/thanksgiving18.pdf

http://math.uchicago.edu/~wald/bday_pd.pdf

(My annual pre-Hunt cryptic, a cryptic for B-Side's pre-Thanksgiving Friendsgiving, and, posted belatedly, a birthday cryptic for B-Side.)