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 The Ultimate Marble Run

Makes Music with 2,000 Marbles

Wintergatan Marble Machine (video link here), a hand-cranked music box loaded with instruments including a circuit of 2,000 cascading steel marbles.The marbles are moved internally through the machine using funnels, pulleys, and tubes.

Unique Words From Other Languages

Looking to extend your vocab?

Try Words without an English equivalent

e.g.Yūgen (Japanese): gives a name to a mood in which one feels that the universe as a whole possesses a mysterious, elusive, but real, beauty. Moonlight, snow on distant mountains, birds flying very high in the evening sky and watching the sun rise over the ocean all feed this sensibility. 

Science: Master Classes

Immerse yourself in the World of Science

• Science Unplugged a series of short videos that offer answers to questions about science

•  “Master Classes” which are short classes about various subjects (mostly in physics) that take a few hours to complete.  Classes are free but you will need to register for this site to access them.  Check with your parents first.

The current roster of lectures is impressive: MIT’s Alan Guth teaches Inflationary Cosmology; U. Chicago’s Michael Turner (who coined the term “dark energy”) presents the Dark Side of the Universe; Stanford’s Andrei Linde takes you into the Multiverse; and Caltech’s Maria Spiropulu probes Nature’s Constituents, to name a few Master Classes. Meanwhile Brian Greene currently teaches two of the university courses: “Special Relativity: A Math-Based Introduction” and (highlighted above) “Space, Time and Einstein: A Conceptual Tour of Special Relativity.”