Join the Arkyd Kickstart project! This is amazing, a telescope in space that anyone can use. $200 gives you a 30 minute window to look at anything in space. Reserving time at observatories is expensive and often limited to universities and other bodies of research. This is for everyone!
Recently in the news there is talk of the 17 year cycle cidada. Why 17 years? Seems like a long time. The reason is prime numbers. Watch the video for the explination.
Here are some other news articles and some culture around cicadas
Cicadas take over Staten Island – NY Times
17 Year Cicada Mystery – NY Times
The Japanese love bugs. In the summer time you can buy pet beetles (2) at the local hardware store. Long ago a famous poet named Basho traveled through Japan and worte many haikus about the world around him. One of those is about the cicada. It is carved in a rock at Yamadera. Basho spent some time in this town and temple.
iwa nishimi iru
semi no koe
permeating the rock
the cicada's sound
In February we did an experiment with gravity and centrepidal acceleration. This video from the Khan Academy explains how this works.
If you have been to a class before, you can probably guess what the fulcrum demonstration will involve!
Here is the write up. Thanks for everyone coming out and participating!