Bonus question: Cup or cone?
[By Simplicius (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)%5D, via Wikimedia Commons]
[By Kristen Taylor (http://www.flickr.com/photos/kthread/4942207014/) [CC-BY-2.0 (http://creativecommons.org/licenses/by/2.0) or CC-BY-2.0 (http://creativecommons.org/licenses/by/2.0)%5D, via Wikimedia Commons]
[By kochtopf [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)%5D, via Wikimedia Commons]
