Butterflies create jet propulsion with a clap of their wings
In their aerodynamic analysis of free-flying butterflies showed that the clap function does generate a jet of air propulsion.
Sat Jan 23 2021
Saintis Sweden cipta bahan bakar daripada sisa pokok
Saintis kejuruteraan kimia dari Lund University Christian Hulteberg, menggunakan bahan kimia yang terhasil daripada sisa habuk kayu atau pulpa.
Fri Jan 25 2019
Inability to cope with stress in early adulthood could lead to high blood pressure in later life
A new study has found that individuals who become easily stressed during early adulthood could have an increased risk of suffering from high blood pressure later in life.
Thu Feb 04 2016