News tagged with hafnium

Shape-shifting alloys hold promise

Imagine untwisting a finger-size spring, then holding the flame from a lighter underneath the unraveled section. Like magic, it twirls itself into a spring again because the metal alloy remembered its original ...

Aug 27, 2013 4.8 / 5 (5) 0 | with audio podcast

Materials that shrink when heated

One common reason that people with fillings experience toothache is that their fillings expand at a different rate to the original tooth when, for example, drinking a hot drink. Contrary to intuition, however, ...

Feb 09, 2012 5 / 5 (2) 1

New form of hafnium oxide developed

(PhysOrg.com) -- A novel material developed by researchers at the University of Cambridge is opening up new possibilities for next generation electronic and optoelectronic devices, and paving the way for further ...

Feb 07, 2012 4.6 / 5 (5) 4 | with audio podcast

New laser technique may help find supernova

One single atom of a certain isotope of hafnium found on Earth would prove that a supernova once exploded near our solar system. The problem is how to find such an atom - among billions of others. Researchers at the University ...

Aug 11, 2009 4.3 / 5 (3) 0