#onthisday 1869 Dmitri Mendeleev presented the first periodic table to the Russian Chemical Society ⚗️ More in this blog from @sciencemuseum https://t.co/oY1jlpYTrq and check out these element samples given to the Museum by Napoleon's nephew https://t.co/JUA3x6bjBy ⚗️⚗️
Who would like one of our very limited edition mugs, five badges and some #TECHOGNITION stickers?
RT this tweet and we will pick 5 winners at 15:00!
THIS GIVEAWAY CLOSES AT 15:00 6th MARCH.
Copper growing from the cathode (speed x 4).The now well-known @CLEAPSS microscale electrolysis of CuCl2 solution viewd under a USB microscope. In a little you can see a lot with #microscale.
We're excited about #TECHOGNITION and if you're a school science technician, you should be too! Details in our latest newsletter: https://t.co/oGbVxbRUKq
Together we can show the world what school science technicians REALLY do! #asetechs