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...energies remained the same. Decreasing the wavelength of the light, however, caused the electrons to be emitted with a higher maximum energy. Conversely, increasing the wavelength of the light beyond a particular cut-off value (specific to each metal), caused the emission of electrons to cease. The explanation was that light interacts with matter as if it is composed of a...

...solar system? Samuel Jackson, PhD student in The School of Physical Sciences digs into the research...At the Open University we are looking at asteroids with the OpenScience Observatories to study their rotation and surface. To understand the conditions present in the early solar system, we must study the remnants of its formation. By studying the dynamical and physical...

...solar system...The new discipline of astrobiology that is, the science of searching for extraterrestrial life, is not only rapdly growing, but has also captured the public imagination. This free course, Icy bodies: Europa and elsewhere, examines the emergence of icy satellites of distant planets as potential sites of extraterrestrial life, looks at the potential for life...

...solar, stellar, or galactic... Identifying different types of galaxy Galaxies are categorised according to their apparent shape. These shapes are typically divided into elliptical, spiral or irregular. The shape of a galaxy gives a clue to the age and types of star within the galaxy. What happens when galaxies collide? Collisions between galaxies take hundreds of millions...

...energy harvesting systems needed to charge them. The body electric Piezo is a term derived from a Greek word meaning to squeeze or press, and piezoelectric materials generate electricity when they are pressured or twisted – enabling development of shoes, clothing or recreational gear that generate electricity from movement. Flexible batteries can be used to store the...

...energy change, providing a useful way of modelling the behaviour of a glider in the air. This material makes up part of the course MST209, Mathematical methods and models... Soaring by Design A short introduction to this album. Modeling Flight Introducing the forces a glider is exposed to during flight. Avoiding Collisions Demonstrating the change of energy when a pilot...