Hell on no wheels

Article Abstract:

The crash of an advanced prototype train in Germany that killed 23 passengers casts a shadow on magnetic levitation technology and raises safety issues, making it more difficult to gain final approval for a proposed airport shuttle in Munich. Supporters of the project refute Munich mayor Christian Ude's safety claims, and transport specialists around the world are split on whether the crash suggests that the Transrapid International, which aims at developing maglev trains, is unsafe.

All Other Transportation Equipment Manufacturing, Transportation equipment, not elsewhere classified, Magnetic Levitation Vehicles, MAGLEV vehicles, Casualties, Magnetic suspension, Magnetic levitation, Railroad accidents

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The security of knowing nothing

Article Abstract:

The cryptographic techniques about 'zero-knowledge' proofs that are about knowing more, while knowing nothing are explored that would help to improve the security of online transactions. Zero knowledge technique is easy in a climate of trust and takes us one step closer to true security on the Internet.

United States, Data Processing Security, Methods, Data security, Online transaction processing, Data security issue, Cryptography

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The long and winding road

Article Abstract:

German researchers should persevere in their efforts to participate in stem-cell debate, despite many setbacks, so that their arguments will prevail.

Editorial, Evaluation, Stem cell research

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