From The Sherman Foundation comes a fantastic idea - a coffee inhaler. seems to me like it'd be the perfect solution when you have to catch the redeye and they stop all liquids at the gate. Hey, if you can inhale alcohol, why not coffee?
For myself, I prefer to snort my coffee directly through a dollar bill after cutting it up on a glass tabletop, but this would be a good backup.
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They don't allow compressed gasses on flights unless it's medication. Good luck convincing anyone caffeine is vital to your health. :-/
(Also, they serve coffee on most flights.)
Great idea for drivers though. That would be awesome for the daily comute!