News tagged with electron microscopes

Kinks and curves at the nanoscale

One of the basic principles of nanotechnology is that when you make things extremely small—one nanometer is about five atoms wide, 100,000 times smaller than the diameter of a human hair—they are going ...

May 19, 2013 4.7 / 5 (6) 0 | with audio podcast

Salt causes chalk cliffs to collapse

Salt plays a greater role in undermining chalk cliffs than previously thought, say scientists. Until recently, if a chalk cliff collapsed it was blamed on waves eroding its base, or the chalk weakening as ...

Apr 19, 2013 4 / 5 (6) 2 | with audio podcast

Snap-proof space tether

(Phys.org) —Space tethers hold intriguing potential for satellite manoeuvring, attitude control and even power generation. But about half of all orbital tether tests have either failed to deploy or snapped, ...

Apr 02, 2013 5 / 5 (4) 0