Make a refractor Galileo Telescope Two convex lens -one large (100cm),another of small (5cm) focal length -magnification 100/5 =20 watch craters of Moon During a solar eclipse, project the image onto a screen and watch it -observe sun spots Never watch sun directly with naked eyes
Jan 282012
Question:
Aug 272010
Usagi once again relies on her trusty disguise pen to help her… get aboard a bus. At least this time she had a reason to, since it was a school bus. Anyway, this is from episode 52. This is the last of the disguise pen transformations.