Topics from December 2019
- How a soldier can ‘see’ in the dark?
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- What is the device called that record all flight data?
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- What are the old and new ways of outsmarting smugglers?
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- How dogs and machines sniff out drugs and explosives?
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- When a new job depends upon your handwriting
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- How handwriting experts catch criminals?
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- How do police create an Identikit of a wanted man?
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- What is Genetic fingerprinting?
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- What is the Astounding case of four brothers?
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- How to match up fingerprints to track down criminals?
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- How to use glove prints to track down criminals?
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- How to use plastic and paint fingerprints to track down criminals?
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- How to use fingerprints to track down criminals?
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- How paintings are X-rayed?
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- What is the art of discovering old paintings under newer ones?
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- How to trace the cause of a fire disaster?
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- How a lie detector prints out its verdict?
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- How to beat the lie detector?
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- How to detect lies with a machine?
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- What is the objective of truth drug?
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- What are the Invisible inks for secret messages?
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- What is Bugging by eavesdropping?
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- The underground world of ‘moles’
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- How secrets are sent by codes and ciphers
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- What is Voice scrambler?
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- Camouflage: how do you hide a warship?
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- How does stealth technology work?
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