Best of the web - 15 Nov 06

Today's stories from the rest of the web ask whether you can over-virtualise your data centre, reveal what keeps IT managers awake at night and suggest there's hope for forgetful gadget users

Dangers of virtualisation Virtualisation is a promising technique for consolidating server hardware, increasing server utilisation and reducing power requirements in the data centre. However, can you take the process too far? ITBusinessEdge examines the possibility of ‘virtual sprawl’ where you lose track of the virtual systems you have created, negating some of the benefits of going virtual in the first place.
Putting the Brakes on Virtual Sprawl

Teleworkers cause security concerns Telecommuting can increase employee productivity and satisfaction, as well as reduce costs, but brings with it extra security risks. These security concerns worry IT managers working in the US Federal government so much that forty per cent report that it causes them to lose sleep, according to a survey in the Washington Post. Another top concern is loss of confidential data from laptops and PDAs.
Sleepless Over Security Breaches
End to flat mobile batteries
Electronic gadgets such as smart phones and the Blackberry email device bring plenty of benefits to mobile workers. They’re great for receiving email and staying organised on the move - as long as you’ve remembered to recharge them. But help may soon be here. New Scientist reports on a technique being researched by MIT called "evanescent coupling" that will allow electronic equipment to start recharging automatically as soon as you enter the room.
'Evanescent coupling' could power gadgets wirelessly
The BBC also carries details of the same research project:
Physics promises wireless power