Not sure about this one. But Core77 is showing off some nifty re-imaginings of ye olde velocipede:

Jeff Tiedeken’s Gravity Bike Gets Up to 60MPH – Core77

Alternatively there’s this awkward looking ride:

jruiter + studio’s super-minimal city bike – Core77

Finally there is this:

UPenn Engineering Students Present “Alpha”: Possibly the Most High-Tech Bicycle Ever – Core77

I’ll note that the ‘most high-tech’ bike uses the decidedly old school shifter-chain mechanism found on most old 3 speed hubs. Just sayin’.

For those of you who need something more classically inclined to wash that all down with:

After seeing Bertelli’s Biciclette, now I understand bike porn – Core77