Robert J. Cumming, an astronomer in Sweden, and se...  ...seriousness, that every observatory should have a disco ball.The authors note that pinhole cameras are fr...  ...e cameras are frequently used in observatories. A disco ball, with its hundreds of mirrored surfaces, is...  ...article describes at length ho...

The best pizzeria ever must be this restaurant in...  ...Austrian architect, designed the interior of the Disco Volante. The huge disco ball inside immediately draws the customers' atte...