From cube-lovers-errors@mc.lcs.mit.edu Fri Mar 26 15:39:42 1999 Return-Path: Received: from sun28.aic.nrl.navy.mil (sun28.aic.nrl.navy.mil [132.250.84.38]) by mc.lcs.mit.edu (8.9.1a/8.9.1-mod) with SMTP id PAA12037 for ; Fri, 26 Mar 1999 15:39:42 -0500 (EST) Precedence: bulk Errors-To: cube-lovers-errors@mc.lcs.mit.edu Date: Thu, 25 Mar 1999 23:58:38 -0500 (Eastern Standard Time) From: Dale Newfield Reply-To: DNewfield@cs.virginia.edu To: cube-lovers@ai.mit.edu Subject: RE: Re : RE: parity pairs In-Reply-To: <009D5A93.46B93D17.11@ice.sbu.ac.uk> Message-Id: On Thu, 25 Mar 1999, David Singmaster wrote: > If one really wants trouble with cube colors being indistinguishable > try solving under a sodium vapor street lamp. I found this gave two colors: > grey and greyer! Or corner Andrew Plotkin and get him to let you try out "The Liquid Crystal Cube" (http://www.eblong.com/~zarf/custom-cubes.html) -- Apparently quite a challenge. -Dale [Moderator's note: I was going to say "Mood cube", but of course zarf has already heard that one. Tastefully, he resists the nomenclature. --Dan ]