1) Who invented the pen we use now? a) John Loud from USA b) Lazlo - a journalist c) Georg - brother of Lazlo d) Brothers Biro - Lazlo and Georg 2) Who described the princeples of the first lasers? a) Herman Hollerith b) Albert Einstein c) Hans Lippershey d) Alexander Prokhorov 3) Why has Aibo been created? a) Scientists need robots that can feel and show emotions b) For fun c) Elderly japanese people might need mechanical carers 4) Who came up with an extraordinary theory of how the Earth developed? a) Vladimir Vernadsky b) William Clark c) Katsumi Muto d) Herman Hollerith

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