Geology is the science of stones, of their shapes and formations and locations and changes over time. Human history, too, is a study, in part, of stones: ones shaped by humans, piled high by humans, flung at high velocities by humans at other humans. There is history in rocks and rocks in history.
A few months ago, in the expo-hall of the Austin Convention Center, I laid my left hand flat on a sheet of sterile paper and let a very tall, friendly man insert an RFID chip into the space between my thumb and index finger. “Oh, you've got thick skin,” he said, pressing the needle a little harder. I made a half-hearted joke about being a woman on the internet, and the whole thing was over.
The United Kingdom might have a mad scientist problem. Or at least, a mad engineer one. Colin Furze, a YouTuber who seems to have unlimited energy for creating working versions of science fictional devices, made a thermite-hurling fire cannon last month. Now, with sponsorship from Ford, it seems he's expanded his repertoire to hoverbikes.