CAST2013

Great works and great folly may be indistinguishable at the outset @adamsteltzner #cast2013

— michael brinkman (@michaelbrinkma5)2013-11-07 11:58:05

Great works and great folly maybe indistinguishable at the outset... #cast2013 keynote

— mary kay hemenway (@marykay877)2013-11-07 11:58:03

Great works and great folly may be indistinguishable at the outset. . .@steltzner #cast2013

— Sharon Kamas (@sharonkamas)2013-11-07 11:57:43

Adam Steltzner, lead engineer of Mars rover project Curiosity #CAST2013 http://t.co/n001tgShwh

— Rachel Hall (@mshallogen)2013-11-07 11:54:39

Family picture of Mars explorers. #cast2013 http://t.co/NncnClsy0V

— mary kay hemenway (@marykay877)2013-11-07 11:53:59

Not everyone paying attention to #cast2013. Just like classrooms http://t.co/2O1hzWwBLq

— timholt2007 (@timholt2007)2013-11-07 11:53:33

We call this Science Teacher Vacation!! #CAST2013 #HoustonTX #Biology http://t.co/qGZM7awY8Y

— Monica Latrelle (@southernchyck)2013-11-07 11:52:34

Listening to the man who landed the Curiosity Rover on Mars in 2012! #cast2013

— Ms. Thompson (@thompsonteach4)2013-11-07 11:52:18

The #CAST2013 exhibit hall opens in 40 minutes. Stop by & say hi. (Hint: We're the first booth) #16 http://t.co/d2zI9TSPVE

— AAPT (@AAPTHQ)2013-11-07 11:52:08

I love the Mars Rover family photo!#CAST2013

— Shelly Osten (@teachosten)2013-11-07 11:51:20