Challenges

A viral challenge involves trapping people in a carved-out ice bowl, testing their ability to climb out on a highly slippery surface. An article explains three physics-based methods using frictional forces to overcome the slope. The bowl's spherical shape makes escape increasingly difficult as one ascends.

January 14, 2026 由 AI 报道

The 2026 academic year began across South Africa with a mix of joy and frustration on 14 January. While many pupils started school excitedly, thousands remained unplaced due to capacity issues, and some regions faced flooding and overcrowding. Parents voiced concerns over fees, infrastructure, and access in provinces including Gauteng, Limpopo, and the Eastern Cape.