Hi Tech & Innovation

Replacing driver hand gestures with holography

How do you decide whether a pedestrian needs to wait or it's safe to cross the road in front of a car? In today's world, drivers and pedestrians simply exchange a brief eye contact or small hand gestures to express their ...

Electronics & Semiconductors

Stability of perovskite solar cells reaches next milestone

Perovskite semiconductors promise highly efficient and low-cost solar cells. However, the semi-organic material is very sensitive to temperature differences, which can quickly lead to fatigue damage in normal outdoor use. ...

Security

NIST retires SHA-1 cryptographic algorithm due to vulnerabilities

The SHA-1 algorithm, one of the first widely used methods of protecting electronic information, has reached the end of its useful life, according to security experts at the National Institute of Standards and Technology (NIST). ...

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