Ten thousand people are expected to attend this morning’s Commencement exercises, at which a Nobel laureate will speak and about 2,300 students will receive almost 2,600 degrees.

Star A. Simpson ’10 was sentenced Monday to one year of supervised pretrial probation on a charge of disorderly conduct. The charge stems from a Sept. 2007 incident when she was arrested at gunpoint at Logan International after airport personnel mistook a circuit board on her sweatshirt for a bomb. The incident — and MIT’s public relations — incited national and local controversy.

One Laptop Per Child unveiled the next generation of its XO laptop last month. The new machine is smaller, cheaper, and will open like a book to reveal two touch-sensitive displays.

The mission may not be over after all for the Biodiesel@MIT team, which three weeks ago was prepared to abandon its two-year project in the face of insurmountably high costs.