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...2 metres, or 1 over 100 metres 10 to the power 4 micrometres, or 10 000 micrometres millimetre (mm) 10 to the power minus 3 metres, or 1 over 1000 metres 10 to the power 3 micrometres, or 1000 micrometres micrometre (µm) 10 to the power minus 6 metres, or 1 over 1000 000 metres 1 micrometre nanometre (nm) 10 to the power minus 9 metres, or 1 over 1000 000 000 metres 10...

...2. Download the Zappar app on your smartphone. Use the links to download here App Store, Google Play or search in your download store for Zappar. 3. Scan the image Once you’ve got the app and the print out, open the Zappar app and point the camera at the print out to scan. Follow the instructions on screen. Don’t forget to try the selfie mode; hold the image to your...

...2. Powder and die are loose sintered in a furnace at sintering temperature. [Powder processes] Manufacture: Simplest method of shaping metal powders. Used for highly porous applications such as porous bronze bearings or stainless steel filters. No external forces other than the constraints of the mould wall, gravity and atmospheric pressure. Mainly spherical powders used,...

...2 An archaeologist explains the probable reasons for settlement at Tell es-Sa'idiyeh. Excavations at Wetwang in Yorkshire, UK The discovery of an Iron Age burial in Yorkshire - complete with chariot. A Wetwang skeleton The discovery of a female skeleton with her chariot. Neanderthal bones in Croatia A British Museum archaeologist describes her 120,000 year-old discovery...