ceruleancynic:

byzantienne:

ariaste:

sciencehook:

Circuit Scribe is a rollerball pen that writes with conductive silver ink. It makes creating circuits as easy as doodling.

@punyhoomans

This is actually magic (… electromagnetism is basically magic) and I love it incredibly.

oh dear god this is stunning 

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    That pen is the least impressive part of this video tbh.
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