@lambda_calculus

Prof at @umdcs and @umiacs. Co-director of @plumlab. BlueSky: https://xitter.cf/t.co/Bwck1H9fXK Mastodon: @dvanhorn@types.pl

 District of Columbia
ter.ps/dvanhorn
Joined December 2010
  • Tweets15.8K
  • Following1.2K
  • Followers4.9K
Replying to @ShriramKMurthi
@ShriramKMurthi
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The crossover we all needed: @CoachBalto on a CaBi @bikeshare
Coach Balto on a CaBi after bike bus at Mundo Verde

ALT Coach Balto on a CaBi after bike bus at Mundo Verde

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Achievement unlocked: I had a whole Northeast Regional literally to myself out of New Haven today. Has anyone else every been the only passenger on an @Amtrak train?
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#All4Allie
A child's ghost bike with training wheels, flowers, and a teddy bear.

ALT A child's ghost bike with training wheels, flowers, and a teddy bear.

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Security in a pinch when you forget your lock. 🤦🏻
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12th and Dahlia NW: business as usual.
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Replying to @samth
@samth
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Last Mundo Verde C8 Bicibús of the season!
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She gave.
A very worn out bike tire.

ALT A very worn out bike tire.

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Scenes from Conn Ave yesterday. People want safe streets, even if @MayorBowser doesn't. /cc @CMFrumin @charlesallen @Janeese4DC
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