Why do faucets drip even when you close them tight?

The ‘breakup’ of a water stream into droplets is not caused by external noise or dysfunctional nozzles but by “thermal capillary waves,” physicists have found. | Photo Credit: Getty Images/iStockphoto Why is the leaky faucet – that most irksome domestic malaise – so universal? Perhaps its scourge may be behind us now as a new scientific […]

TNUSRB SI admit card 2025 released at tnusrb.tn.gov.in: Direct link to download hall tickets

tnusrb admit card 2025

TNUSRB SI admit card 2025: The Tamil Nadu Uniformed Services Recruitment Board (TNUSRB) has officially released the hall tickets for the Sub-Inspector of Police (Taluk & Armed Reserve) recruitment 2025. Candidates who have registered and are preparing for the exam can visit the official website, tnusrb.tn.gov.in to download the hall tickets. TNUSRB has confirmed that […]

Low-pH cements could let microbes seal cracks in deep nuclear vaults

Artemis Base Camp

Nuclear activities worldwide generate around 200,000 m3 of radioactive waste every year. Of this about 10,000 m3, less than 5% by volume but containing most of the radioactivity, needs deep, long-term geological storage in the form of geological disposal facilities (GDFs). These caverns purpose-built hundreds of metres underground are packed with waste containers, cement backfill, […]

World Soil Day: Grassland soils, not trees, anchor India’s climate resilience

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“Wastelands”. That’s how India’s biodiverse semi-arid grasslands and savannas have been undervalued ever since the British colonial era. For the masters, the woody forests of the subcontinent fuelled industrialisation, while the grassy biomes served no purpose in their timber-driven colonisation. Much of post-independence policy and jurisprudence drew heavily from the erstwhile rulers and “wastelands” made […]