Science at the White House
The President checks out an 8th grader’s air cannon which shoots marshmallows 175 feet. We could have some fun with this thing.
[youtube]Reimvk8D2Ho[/youtube]
The President checks out an 8th grader’s air cannon which shoots marshmallows 175 feet. We could have some fun with this thing.
[youtube]Reimvk8D2Ho[/youtube]