She thanked her sister Betsy for organising the day Tracy Beaker star Dani's guests were treated to personalised cookies as they posed next to an impressive arch of white balloons.

When an inflated balloon is dipped into a beaker of liquid nitrogen, the cold temperature causes the air inside the balloon to contract.

As you'll see in the video after the jump, over the weekend, scientists from NASA's 32nd balloon division (I'm assuming) recreated the house-lifting scene from Up for National Geographic's ...

It looks like a Hannah Montana concert in Calvin’s Gezon Auditorium, with fifth and sixth graders everywhere, clapping their hands and shrieking in delight.In fact these kids aren’t taking in a teen ...

My Mum Tracy Beaker (3x30’), told from the perspective of Tracy’s 10-year-old daughter Jess, follows the unfolding drama as Tracy embarks on a new relationship with rich former footballer Sean ...

It also demonstrates an exothermic reaction because the glass beaker, as the foam rises, becomes hot. Other cadets made animal balloons, and then froze them in liquid nitrogen.

Holding a balloon produced a relatively even pressure signal across the entire palm, while grasping a beaker created stronger pressure at the fingertips.

Harvard University researchers announced yesterday that they are seeking to move their first stratospheric test of a balloon that could one day be used in experiments to shade the Earth from the ...