Imagine the concept of a lump of matter which, on command, transforms itself into a complete ham rig, including antenna. Here is a documented, long article about Programmable Matter. And here is a casual video about the same subject.
This is not the usual daily, commercial, mailing list that badgers hams with long, thinly disguised, advertising emails.
This one's daily messages are very short, yet often are stimulating. Each one can be read and deleted in 30 seconds or less. Here's the signup screen. No strings attached