« September 12, 2017 | Main | September 14, 2017 »

September 13, 2017

Tautachrone Curve

Tautochrone_curve

"On a tautachrone curve, time taken by objects sliding to the lowest point is independent of its starting point."

[via RealityCarnival]

September 13, 2017 at 12:01 PM | Permalink | Comments (0)

Berlitz Guide to Dentalese — Roz Chast

 

130909_a17596_g2048

This cartoon appeared on page 53 of the September 9, 2013 issue of the New Yorker.

"This will pinch a little" — how often have I heard that from my world-class endodontist, Dr. Robert E. Grover?

So many times I have lost count.

Spot on.

Too wonderful for words is this cartoon.

In an ideal world every dentist would be required to have it up — poster-size — on the wall facing the patient's chair.

September 13, 2017 at 10:01 AM | Permalink | Comments (2)

What is it?

333

Answer here this time tomorrow.

Hint: smaller than a bread box.

Another: no moving parts.

A third: brass.

September 13, 2017 at 08:01 AM | Permalink | Comments (3)

« September 12, 2017 | Main | September 14, 2017 »