Some fresh bookmarks from delicious.com:

• Balloon filled with ground coffee makes ideal robotic gripper – An everyday party balloon filled with ground coffee is attached to a robotic arm. The coffee-filled balloon presses down and deforms around the desired object, and then a vacuum sucks the air out of the balloon, solidifying its grip. It works with almost any object, including a raw egg or a coin – both notoriously difficult for traditional robotic grippers.
• How Candy and Halloween Became Best Friends – Kids ringing a stranger's doorbell in 1948 or 1952 received all sorts of tribute: Coins, nuts, fruit, cookies, cakes, and toys were as likely as candy. It wasn't until the 1970s that candy came to be seen as the only legitimate treat.
• Hacker News: How does having a baby change your life? – A lot of hackers comment on how parenthood changed their life.
• Soviet Image Editing Tool from 1987 –