A classic example of such a tangible model, used in chemistry education since the beginning of the 20th century, is the representation of the atomic configuration of a molecule using balls and sticks or space-filling spheres (Petersen, 1970).
The use of the notation is evaluated by a detailed example of an integrated tangible agent consisting of sensors, a computational part, and actuators.
PepsiCo, for example, shows a tangible book value of $6.5 billion, yet a market value of $86.8 billion.
It's an example of a computer program making a tangible impact on the real, physical world.
"Riot grrrl provides a tangible example of a moment when girls and young women visibly created feminist music, writing and art on their own terms," says Julia Downes.
For one, it's a tangible example of a structural reform that is the crucial third arrow of Abenomics - Abe's ambitious reform plans.
"There are rare cases where someone sends us a thing that's super heartfelt and gives a really clear, tangible example of a way that we really helped a person and it's this super unexpected benefit from typing on a computer and learning how to solve these technical problems.
There is no overt acknowledgement in Uganda, for example, of the tangible benefits of remittances to development, which can clearly be seen in the local economies of towns like Lira, in northern Uganda, where success is not down to government or international donor investment.
Some feminists rebut the utopian charge by finding in Irigaray's reflections on the element of air in the work of Heidegger a tangible example of materiality that transcends the limitations of embodiment without being any less material (Armour 2003).
Nigerian agricultural entrepreneur Sunny O. is a perfect example of YTF's tangible impact upon the lives of young people.
