Business
Flipkart resumes operations; Amazon says in talks with govt to enable delivery of essential items
Flipkart, along with rival Amazon India's Pantry service, were suspended temporarily on Wednesday morning as India entered into a 21-day lockdown to contain the spread of Covid-19 pandemic.
science
3D printed noise barrier blocks 94% of all sound passing through an open tube
The researchers have big ideas about how the material could work to make the real world quieter.