On the Canadian Space Agency YouTube channel, Canadian Astronaut Chris Hadfield takes questions from school children and adults about life in space. One such question: if an astronaut cries in space, do their tears fall?
On Earth, of course, its gravity that causes tears to roll down the cheek. In a microgravity environment, if an astronaut is sad or gets something in his/her eye, tears will certainly well up, but there will be none of what Smokey Robinsons tears made on his face.
Hadfield, possibly the most social media-savvy astronaut ever with more than 500,000 Twitter followers, gamely demonstrates that tears do pool under the eye but they make no tracks. Squirting water into his right eye, he rolls his head around, causing the puddle of tears to shift back and forth and even roll over the bridge of his nose.
|Astronomers hopeful of detecting extra-terrestrial life|
|How to Make Dry Ice With a Pillow Case and a Fire Extinguisher|
|TED-Ed Explains Where Genes Come From|
|Genetically Engineered Malaria-Proof Mosquitos (RT @alanlupsha)|
|Biggest star known to science ready to blow|
|“They're usually these people that have been fucked by the system who are trying to unfuck themselves.”|
|“Parti.Vote is designed to make the US's representative government system more equitable.”|
|A Bicycle with No Pedals You Run With|
|How to Avoid Jury Duty|
|Making a Movie Inside a Video Game|
|“They don’t drive like people. They drive like robots.”|
|CaptchaTweet: Write Tweets in Captcha Form|
|“If the facial data and related personal information is stolen and put on the internet, it will cause big problems.”|
|100 Things We Can Do Today to Stop Global Warming in the Next 30 Years|
|Google Map Shows You the Most Photographed Areas of the World|
|"Hours after the fires in Santa Rosa I filmed this postal worker still delivering the mail."|
|"It’s time for something so stupid it’s actually smart."|