When your friend gets tipsy and starts rambling about how tequila turns her into a savage party monster, and then your other friend vehemently calls bullshit, calmly put your hands up and say this: “Friends. Please. I got this.” And then explain to them what I’m about to explain to…
It doesn’t exactly herald a new era of fossil-fuel free transportation, but this experiment showing a tiny aerogel boat zipping along for almost an hour on a drop of ethanol could lead to new ways of thinking about boat propulsion.