魚洗

折射

http://www.youtube.com/v/hBQ8fh_Fp04?rel=0

靜電

 
http://www.youtube.com/watch?v=WxxmeI1gW0k

http://www.youtube.com/watch?v=7b-w0oWttN0

 

http://www.youtube.com/watch?v=OVORqP6VTKk

http://www.youtube.com/watch?v=4Jf_zA5VuGs

 

http://www.youtube.com/watch?v=cnrbwPSyHMM

聲波振碎玻璃

火柴自動移 (共振)

筲箕不漏水 (水的張力)

小型摩打