Massachusetts Institute of Technology (MIT) — one of the world’s most prestigious universities — makes a huge portion of its course materials available online for free. Through its MIT OpenCourseWare initiative, lectures, notes, assignments, and exams from hundreds of courses are open to anyone.

This means students, professionals, or curious learners anywhere in the world can study topics like engineering, AI, economics, and physics directly from MIT resources. It’s one of the largest free education projects online, making world-class knowledge accessible to everyone.

PE teacher physics

Physics from PE teacher

An Italian artist sold an “invisible sculpture” titled Io Sono for about $18,300 at a Milan auction. The buyer received no physical artwork—just a certificate of authenticity and instructions to display it in an empty 5×5 foot space. The artist says the piece exists as pure energy and thought, referencing quantum physics and the idea that even a vacuum isn’t truly empty.

Critics call it a symbol of modern art excess, while supporters argue it boldly challenges what art really is—and how we decide its value.

New physics exploit just dropped