3 papers
physics.bio-ph2018
How a Snake Can Raise its Neck High although its Body is Very Soft. Similarity with a Thin Plastic Tube Filled with Air
Handika Dany Rahmayanti, DesyanaOlenka Margaretta, Nadya Amalia +5
The bodies of snakes, such as king cobras, are very soft so that it is nearly impossible for them to raise their heads higher than around one meter. By direct measurement, we were…
physics.soc-ph2018
Brazil Nut Effect in Roads that Allow Cars and Motorbikes to Pass Through
Fisca Dian Utami, Desyana Olenka Margaretta, Donny Dwiputra +3
In some countries, cars and motorbikes are allowed to pass through the same road. We observe a phenomenon similar to a Brazil nut effect (BNE) that frequently occurs on such roads,…
physics.app-ph2018
Very high efficiency of low cost graphite-based solar cell by improving the fill factor using optimal ion concentration in polymer electrolyte
Dui Yanto Rahman, Fisca Dian Utami, Asep Ridwan Setiawan +2
We report the development of graphite-based solar cells using a simple method and low cost materials. Suspension of graphite powder in mineral water was simply dropped onto the sur…