An line graph of radioactive sample with a half-life of 2 minutes
<a href="//commons.wikimedia.org/wiki/User:Aumars" title="User:Aumars">Pradana Aumars</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Aumars" title="User talk:Aumars">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/Aumars" title="Special:Contributions/Aumars">contribs</a>)
2019-01-18 22:31:08
<span class="int-own-work" lang="en">Own work</span>