Disrupt emergency exits to boost evacuation rates
The rate that a crowd can exit a packed room through a narrow exit rises if an obstacle is placed...
Read More
Author: Colin
‘Invisibility cloak’ antennas could shrink cellphones
The metamaterials used to bend light and render small objects invisible in lab studies could make...
Read More
Pterosaur tracks show it touched down like a bird
Pterosaurs may have been furry rather than feathery, but they may were not so very different from birds in other respects. A set of footprints unearthed in France is the first to show one of the winged reptiles coming into land – and suggests they did so in much the same way as most modern birds. Image: Manchester-Monkey
Read More
Cancer cells don’t need a map to travel
A simple cell-tracking device reveals that cancer cells are more self-directed than the rest which...
Read More
Writing style fingerprint tool easily fooled
Techniques used by courts and historians to identify individuals from their signature style are...
Read More
