Watch: Harmonograph machine made of cardboard draws beautiful Lissajous figures with a pen
Harmonographs are mechanical devices using pendulums connected to a pen to draw geometric images.
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1Explained: How a landmark Supreme Court judgement has ended the governor’s ‘pocket veto’
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2Why JNU’s abrupt U-turn on hostel for North East students is causing concern
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3In Lahore, a back-to-roots journey and a taste of gracious Pakistani hospitality
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4In ‘Dr BR Ambedkar: Now & Then’, living through caste injustice and seeking a way out
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5Interview: Do away with governors, says Kerala MP who moved bill to limit Raj Bhawan powers
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6Passion, integrity and self-reliance: Why Charlotte Brontë’s Jane Eyre is a heroine for our times
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7J&K leaders seek MEA intervention after Saudi Arabia ‘cancels’ 52,000 Hajj slots for Indian pilgrims
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8Why the renaming of an iconic Bengali New Year parade in Dhaka sparked a debate
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9Sunday book pick: Fyodor Dostoyevsky’s 1848 social media sensation book ‘White Nights’
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10Politics of hate and politics of heat: The psychology of communal violence following the Partition
