| SHOES: on or off? | | I have to say I'm quite a houseproud person and I like people to respect my home when they come to visit. This involves taking off your shoes when you come in to any of the rooms such as the living room and bedrooms especially as my husband spent a... | |
| | Could the plane take off?? | | What do you make of this thorny old physics question ..."A plane is standing on a runway that is made of a large conveyor belt. The plane fires up its engines, but as it moves forward, the conveyor belt senses the speed of the plane's wheels and... | |
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