These iPhone facts are great, but my favorite one is that--if connected together--USB cords packaged with iPhones could reach all the way to the moon, but they still can't make a single one that reaches from the outlet to my bed! Cool!
I get it now! It's absolutely nuts how well a mass of spandex can illustrate gravitational pull, why masses orbit the same direction, how the moon orbits the earth while they both orbit the sun, etc.. I bet it's a lot of fun to toss marbles onto that contraption and watch them orbit each other and move around. But I bet after a while that gets boring, which is probably also how God felt a couple billion years after he made the universe.
This da Vinci-like table table is based on a design patented in 1835. Just turning the table one quarter of a rotation will double its surface area. Its operation is simple and beautiful--Everything about this table is easy, except its cost ($50,000) and its construction, which takes many months. Below is a video explaining how this luxurious mechanical feat is made:
Pentatonix is an a cappella group made up of singers Scott Hoying, Kirstie Maldonado, Mitch Grassi, Avi Kaplan and Kevin Olusola. Pentatonix won NBC's "The Sing-Off" because they are really really good, and because they (somehow) recreate techno sounds through nothing but vocals, like they did in this video: