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Substances can exist in three states of matter - solid, liquid and gas. All substances are made from particles, and the forces between the particles are different in solids, liquids and gases.

“Our job is to produce and consume ‘Made in Africa’. If Africa is truly going to become independent, free, integrated and prosperous, ‘Made in Africa’ must become our most serious agend ...

The atoms of a solid are strongly attracted to each other. Solids keep their shape because of these strong attractions. The atoms vibrate but do not move past each other.

Zawadzki, W. and Boguslawski, P. 1973. Interaction of High-Energy Phonons with Conduction Electrons in Small-Gap Semiconductors. Physical Review Letters, Vol. 31 ...

A polygon is regular if it is uniform and its faces are all alike. The regular convex polyhedra are the five Platonic solids, which have been known since classical Greece. The ancient Greek ...

But some people are wondering if those medals are actually made from solid gold. A popular Google search over the last week asks what an Olympic gold medal is primarily made of. Are Olympic gold ...

Last year, BMW made it clear it would show a solid-state powered tech demonstrator by 2025, while it hopes to go into production closer to 2030. Nissan has gone further, revealing a prototype ...

Of the many features boasted by Google's new AI-infused Pixel 9 smartphones, the option to digitally photobomb other people's family pics Michael Scott-style might be the most hilarious.