A new Dubai law mandates 80 kph speed control, seat belts, fire extinguishers and first-aid kits, and prohibits the use of folding chairs. Do you worry about your child's safety on school buses?
A new Dubai law mandates 80 kph speed control, seat belts, fire extinguishers and first-aid kits, and prohibits the use of folding chairs. Do you worry about your child's safety on school buses?
1. Black holes are objects whose gravity is so strong not even light can escape their pull
2. They can be created when massive stars collapse under their own weight
3. Large black holes can also be formed when smaller ones collide and merge
4. The biggest black holes lurk at the centre of many galaxies, including our own
5. Astronomers believe that when the universe was very young, black holes affected how galaxies formed