Solutions to Saturday Mac riddles 291

I hope that you enjoyed Saturday’s Mac Riddles, episode 291. Here are my solutions to them.

1: Lead-free stylus for early pros would have been ideal for Acontius.

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Apple Pencil

Lead-free (although a ‘pencil’ it has no lead) stylus (what it is) for early pros (announced on 9 September 2015 with the first iPad Pro, and works with early Pro models) would have been ideal for Acontius (who wrote an oath to bind Cydippe in marriage, see this article).

2: Eleventh vertical granite wall first took 47 days to climb, now less than four hours.

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El Capitan

Eleventh (OS X 10.11, released 30 September 2015) vertical granite wall (named after this 1 km wall of rock in Yosemite) first took 47 days to climb, now less than four hours (it took Warren Harding 47 days to climb it first in 1958, but can now be climbed freestyle in under 4 hours).

3: Rootless, I came in 2015 and still won’t go without csrutil.

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SIP

Rootless (an alternative name for System Integrity Protection), I came in 2015 (introduced in El Capitan) and still won’t go without csrutil (the command tool used to disable SIP).

The common factor

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They were all introduced in 2015, the year that this blog also started.

I look forward to your putting alternative cases.