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...Energy rating of hammers range from 500 to 40,000 kg-m. Hydraulic presses are used for large forgings such as large turbine shafts. They are slow in operation and the workpiece often requires to be reheated several times. In most cases shaping of the component relies on the skill of the forgemaster. Larger workpieces are supported by chain slings or semi-automatic...

...Solar System. It also opens up the possibility of extracting water from lunar rocks. And one reason why we can explore these fundamental questions is in large part due to these wonderful tiny fragments. How to use the Virtual Microscope Click on the options below to learn how you can examine the Moon rocks from the first Moon landing. Zooming in and out [Zoom in] You can...

...solar system (4.24 light years away), where recently a single planet was discovered, has 12% of the sun’s mass and is an ordinary (not ultracool) red dwarf. Telling transits In 2010, a group of scientists began monitoring the closest dwarf stars using a robotic telescope in Chile called TRAPPIST (the Transiting Planets and Planetesimals Small Telescope). They were...