Definition of kilogram changed after 130 years. Redefine by Planck constant

I am trawelling in train No. 19020 from roorkee to meerut in coach no. S3.There is leaking water from wash basi n tap and water is spreading into the coach. All passengers luggage wetted. Please repair the tap PNR NO -2352931120 DOJ-16/12/2022 Ravindra Tomar

Hi I am trawelling in train No. 12995 and I am showing the level of cleanliness in train plz have a look 🚂🇮🇳IndianRailMedia 🇮🇳🚉 Ashwini Vaishnaw

मुंबई पोलीस Mumbai Police Regional Passport Office, Mumbai, I am a student in IIT bombay, recently applied for passport and police verification was not completed, asking me to submit gazette for name correction. Refused to accept affidavit. Thanks. #impossible#passport#mumbaipolice#

Today, I am traveling in train No. 19610. Cleaning situation in coach no. B3 is pathetic. Government is promoting cleaning campaign but indian railway don't bother about it. Please don't make indian railway coach like litter. IndianRailways Western Railway Ministry of Railways

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Vortex formation in free jet caused by Kelvin-Helmholtz instability. 🔄 The Kelvin–Helmholtz instability occurs when there is velocity shear in a single continuous fluid, or additionally where there is a velocity difference across the interface between two fluids.