QUARTZ OR GLASS?
To tell whether a vessel is made of quartz or glass, a researcher can place the vessel between a fluorescent object, such as a TLC plate (at top in photo), and a shortwave UV light (at bottom in photo). Quartz vials, which are must-haves for certain photochemical experiments, transmit the light (left and right), but a glass beaker absorbs it, casting a shadow (center).
Credit: centralscience.tumblr.com
cenchempics: QUARTZ OR GLASS? To tell whether a vessel is made of quartz or glass, a researcher can place the vessel between a fluorescent object, such as a TLC plate (at top in photo), and a shortwave UV light (at bottom in photo). Quartz vials, which are must-haves for certain
I realized it’s like a world boss kill when the other faction shows up flagged.
I realized it’s like a world boss kill when the other faction shows up flagged.
ramavatarama: unitology: …and what, Gul’dan…must we give in return? Everything. That’s literally Slime I don’t know…
…and what, Gul’dan…must we give in return?
Everything.
That’s literally Slime
I don’t know…
Not sorry.
Not sorry.
mad-maddie: barkentin: Don’t be a pussy, Varian. DISMANTLE THE IRON HORDE, VARIAN
Bishounen Varian Wrynn
Bishounen Varian Wrynn
Don’t be a pussy, Varian.
Don’t be a pussy, Varian.
This right here is why Garrosh went back in time.
This right here is why Garrosh went back in time.
I hear you guys want Grom Hellscream being a badass.
I hear you guys want Grom Hellscream being a badass.