Among other features , a " file sniffer " lets you easily download youtube videos , and a pop-up notepad is available for pasting or dragging text you want to save .
It 's a rolling laboratory , armed with a laser that can vaporize bits of rock for analysis ; a high-resolution camera that can study rocks and even bits of frost at microscopic scales ; and a " sniffer " to sample the atmosphere .
Equipped with 14 different types of conductive polymers the synthetic sniffer can distinguish between infections caused by e.coli staph and proteus parasites .
The theory is that it doesn 't matter if a hacker is running a password sniffer , since the password won 't work a second time .
因为这个密码不能第二次使用,故而从理论上来说,即使黑客安装了密码嗅探器也没关系。
But if you are using facebook over an unencrypted wireless access point at a coffee shop or airport , someone running a packet sniffer on a laptop could steal your authentication cookie out of the air and then log into facebook as you .