Colors are a little tricky. You’ve seen those filters at the average kids museum that illustrates that yellow and blue make green by overlaying acrylic shapes, but in that example you’re just filtering white light and so reducing the output. […]
Read more →
Well, it finally arrived! Delilah’s 3rd birthday- we had a great time with a formal ballroom affair. As usual, we had a lot going on- I got our disco ball going again, mom made S’more cupcakes, and at the 11th […]
Read more →
In this post, I’m soliciting some ideas- we have a lot of fun playing with springs and D knows all her major types already. What I’d like to do is come up with a good demonstrator application. In most cases […]
Read more →
We’re rocket fans. Particularly, of SpaceX- but in general too. When in the mood to launch our own, we have a good number of options: Easy- we just print some cardstock graphics (falcon/Saturn V/etc), roll them up and add a […]
Read more →
Here’s a quick & easy one: We have an assortment of lasers lying around the house. 3 wavelengths (colors) that have become cheap in recent years are red, green, & ultraviolet (purple). Purple is especially handy for an assortment of […]
Read more →
