Physics for Kids. 1  Work is a scalar quantity, not a vector quantity. This means that, unlike force and velocity, it has no direction, only a magnitude. 2  Another unit of work is the foot-pound. One foot-pound is equal to 1.35581795 joules. 3  The joule is also used as the standard unit of measure for energy.
IP spoofing is a technique used to gain unauthorized access to computers, whereby the intruder sends a message to a computer with an IP address indicating that the message is coming from a trusted port.
Take ten minutes and see what internet phishing and email scams really look like. Probably the most damaging kind of email spoof is the phishing email. With this type of attack, a clever con artist is trying to lure you not to buy something, but to enter your account and password information, which can then be used for financial gain.