There are two recurring themes: peer-reviewed technical results, and intellectual firepower.

If you want to show people intellectual firepower and the awesomeness of your conversations, tape the conversations. Just walk around with a recorder going all day, find the interesting bits later, and put them up for people to listen to.

But... you're not selling "we're super bright," you're selling "we're super effective." And for that you need effectiveness. Earnest, bright people wasting their effort is an old thing, and with as goals as large as yours it's difficult to see the difference between progress and floundering.