Cathedral Ceiling Insulation

Italy, Vatican and Spain magnificent landscapes and monuments of architecture await you to be recreated on your screen as the jigsaw puzzles. Enjoy the cityscapes of Venice, Rome and Florence. Admire the magnificent Alhambra palace in Granada and the unique Barcelona cathedral. Astra Jigsaw...


Platforms: Mac

The EJS Ceiling Bounce Model shows a ball launched by a spring-gun in a building with a very high ceiling and a graph of the ball's position or velocity as a function of time. Students are asked set the ball's inital velocity so that it barely touches the ceiling. This simple model is a designed...


Platforms: Mac

The Crown of Thorns, the most precious and revered relic in the Notre Dame Cathedral, has disappeared. As chief investigator assigned by the Pr?*A*fecture de Police, it???*a*?s up to you to track down the priceless artifact. Use your Hidden Object talents to crack the case in Hidden Mysteries:...


Platforms: Mac

The Tethered Mass and Spring model shows a mass constrained to move in the x-direction by a horizontal rod and connected to a spring of natural length L = 10. One end of the spring is connected to a movable (draggable) ceiling and the other end is connected to the mass. Users can drag the mass...


Platforms: Mac

The Oily Deeps is a free interactive fiction novel with a sailing theme. You appear to be floating in some oily black liquid. The ceiling is close overhead, as the tank is rather full. There is a platform to your south.


Platforms: Mac