This tiny sun-activated cannon would be a twee way to go
Fortunately, it doesn’t look lethal. More info about “noon cannons” here, and some more interesting curios up one directory.
![](data:image/svg+xml;charset=utf-8,<svg height="449" width="500" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
[via Neatorama]
Fortunately, it doesn’t look lethal. More info about “noon cannons” here, and some more interesting curios up one directory.
[via Neatorama]
![](data:image/svg+xml;charset=utf-8,<svg height="105" width="187" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
![](data:image/svg+xml;charset=utf-8,<svg height="142" width="187" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
![](data:image/svg+xml;charset=utf-8,<svg height="104" width="187" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
