AB = BC = CA Three square beams meet pairwise at right angles and appear to bound an equilateral triangle, yet no such solid can exist in ordinary Euclidean three-space. Each corner, taken by itself, is an entirely ordinary joint; the closed circuit assigns incompatible depths and therefore cannot close. Oscar Reutersvärd first assembled the figure from cubes in 1934; Roger Penrose, independently in 1954, called the resulting tribar impossibility in its purest form. A real construction can still produce the identical image, but only from one carefully chosen viewpoint.

.@AB_insights Inigo Fraser Jenkins on why 60/40's diversification is broken: “If we're talking about long duration government bonds, I think it's likely they will not perform the diversifying role that they've performed historically.” “This post 2022 experience of a positive correlation of stock and bond returns actually looks more normal.” Listen: Watch:

AB Foods FY 2026 Guidance Update - Sees 4Q Primark Total Sales Growth 2% - Sees 4Q Primark LFL Sales Fall Around 3.0% Sees FY Adjusted EPS Ahead Of Expectations - Sees FY Adjusted Operating Profit Broadly In Line - Sees FY26 Primark Total Sales Growth 2% - Sees FY Primark Comp Sales -2.6% (est -2.42%)

AB 181 enacts my January proposal to unify our State Board of Education and Department of Education to better support schools and students. This new law increases accountability and provides the State Superintendent with new authority on TK-12 through higher ed governing boards.