Discover and read the best of Twitter Threads about #siredefinition

Most recents (2)

Hi tweeps! Remember back in March, I made a mega-thread of amazing #WomenInSTEM that you should follow, especially for #IWD2018? If not, here's the 'moment' I made from it…
Well, today (19 Nov) is #InternationalMensDay #IMD2018, and I wanted to mark the occasion. So here are SIXTY men working in STEM who also happen to be some of my favourite tweeps. This is by no means an exhaustive list - please don't be offended if you're not on it!
PS: I have some actual (paid) work to do today, so I'll update the list when I can, in between all my other commitments. Please be patient 😊
Read 68 tweets
Important day for SI nerds, the meeting to formally redefine the kilogram, the kelvin, the ampere and the mole is happening today! Watch a livestream of the vote here:
If the resolution is approved, the SI will be based on fundamental physical constants, instead of physical objects. Timetable and resolutions being decided today is available here: For the first time…
Why is #SIredefinition happening? Because physical objects can change over time. By fixing the kilogram in terms of the Planck constant, it can never change. There's a good explainer all about it by @B_resnick here:…
Read 6 tweets

Related hashtags

Did Thread Reader help you today?

Support us! We are indie developers!

This site is made by just three indie developers on a laptop doing marketing, support and development! Read more about the story.

Become a Premium Member ($3.00/month or $30.00/year) and get exclusive features!

Become Premium

Too expensive? Make a small donation by buying us coffee ($5) or help with server cost ($10)

Donate via Paypal Become our Patreon

Thank you for your support!