Bradford Remote Telescope Internet Telescope open to the public. Warning : Usually very slow (in US). The site is in the UK. Also often a long waiting period for pictures.
U of Iowa Telescope A newer Internet Telescope. Has a much faster connection and more detailed input form. I haven't used it yet, so I don't know how long it will take to get
the pictures back.
Note : To view the forms correctly you will need greatly reduce your font size. They are very wide.
LunaCorp Rover Project Private company sending two rovers to the Moon in 1999. They plan on letting the public drive them.
The Tele-Garden Plant seeds in a garden via robotic arm and then watch them grow. This has a very nice interface.
Mondo-tronics' Robot Store Store of robot kits and parts. Most are fairly simple robots.
Surveyor Corporation A couple more robots including an indoor robotic blimp.