力学波

力 = ㇆ + 丿 : Mnemonic symbol: a power button.

Li Qingzhao (li) just had a shower in the space station's bathroom (Ø4) and wants to use the hair dryer, but there's no plug, just the bare end of the cable! She uses all her power to build an electricity plug, and for the two pins she uses a plough (㇆) and a banana (丿). Finally she hits a big power button (力) to turn the power on.

学 = 小 + 冖 + 子 : Xu Xian wants to study scienceology and learn more about daisies. Just inside the elevator's kitchen, he put some daisies into a prize cup and covered them with a cooking top. He wants to study the growth rate of the daisies depending on the pH of the water in the prize cup.

波 = 氵 + 皮 : Before entering observatory every visitor has to take off their shoes, so there are a lot of leather shoes (皮) in front of the observatory (o1). Beelzebub (b) cannot miss the opportunity to make a huge wave (波) by pouring his water bottle (氵) and to flush away all the shoes.

波 = 氵 + 皮 : Before entering observatory every visitor has to take off their shoes, so there are a lot of leather shoes (皮) in front of the observatory (o1). Beelzebub (b) cannot miss the opportunity to make a huge wave (波) by pouring his water bottle (氵) and to flush away all the shoes.