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Why Is My Whiteboard So Dirty?
- Published_at:2016-05-10
- Category:Education
- Channel:SciShow
- tags: SciShow science Hank Green whiteboard education chemistry dry-erase markers rubbing alcohol classroom
- description: If you have an old, well-used whiteboard in your classroom, you might see something a little strange -- ghosts! But not the spooky, bust-able kind... these are the ghosts of lectures past! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.google.com/patents/US7713375 https://www.google.com/patents/US20060287217 http://www.clarusglassboards.com/what-is-whiteboard-ghosting/ http://www.clarusglassboards.com/whats-in-a-dry-erase-marker/ http://www.expomarkers.com/faq
| ranked in date | views | likes | Comments | ranked in country (#position) |
|---|---|---|---|---|
| 2016-05-12 | 160,595 | 5,671 | 506 |
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