HumansHow to use the dhungar technique to create delicious smoky food Smoke has been used to preserve and flavour food for thousands of years. Try using the dhungar technique with ghee (a kind of clarified butter) to add a finishing touch to dishes like dal makhani, a rich lentil stew, says Sam WongRegulars
SpaceSatellites with flashing LEDs could help avoid catastrophic collisions It’s difficult to keep track of satellites in Earth’s orbit and avoid collisions – making them flash dimly should help, without interfering with astronomical work News