crezy idea:
1. magnetic lavitation:
https://www.aface1.com/read-bl....og/2216_a-%D1%99a-%D
2. origami:
https://www.aface1.com/read-bl....og/2217_origami-a-ye

3. organ regeneration:
https://www.aface1.com/read-bl....og/2218_a-%D1%9Fa-yi

4. mosquito coil:
https://www.aface1.com/read-bl....og/2220_a-a-a-%D1%95