Core Insights - The research team from Delft University of Technology has successfully observed the flipping of nuclear spin states in real-time, marking a significant advancement in atomic-scale quantum detection [1][5][7] - The study utilized a scanning tunneling microscope (STM) to indirectly measure the nuclear spin state by detecting changes in the electronic states of individual atoms [1][5][7] Group 1: Research Methodology - The team selected titanium atoms with nuclear spin characteristics on a strontium titanate substrate as the observation target [5] - The STM tip captures signals corresponding to the conversion of nuclear spin between two quantum states by sensing the electronic states surrounding the atom [5][7] Group 2: Key Findings - The nuclear spin state was found to average around 5 seconds, while the electronic spin of the same atom had a lifespan of only 100 nanoseconds [7] - This achievement represents the first single-shot readout of nuclear spin at the atomic scale, overcoming the technical limitations of STM in directly detecting nuclear spins [7] Group 3: Publication and Impact - The research findings were published on August 21 in the journal Nature Communications [7]

Core Insights - The event marked the third anniversary of the public open day at the Songshan Lake Materials Laboratory, attracting over 1,500 participants, setting a new record for public engagement in science [1] Group 1: Scientific Presentations - Two science reports were presented, including one by researcher Zou Chao on Boron Neutron Capture Therapy (BNCT), a precise cancer treatment method that targets tumor cells using boron-containing drugs [3] - Zou highlighted that BNCT is recognized as "cell-level radiotherapy," utilizing boron-10 isotopes to destroy cancer cells while protecting surrounding healthy tissue [3][5] Group 2: Public Engagement and Interaction - The event featured interactive experiments, allowing participants to engage with various scientific demonstrations, including a showcase of an electric all-terrain vehicle and demonstrations of superconductivity [6] - The public was invited to experience hands-on experiments, emphasizing the importance of engaging children in science from a young age [10] Group 3: Research and Development Focus - The open day showcased several research teams focusing on strategic basic research, industrial applications, and public technology platforms, highlighting advanced domestic equipment such as high-temperature superconducting coating devices [8] - The event included a demonstration of a scanning tunneling microscope capable of observing atoms at a scale of 0.1 nanometers, emphasizing the laboratory's commitment to cutting-edge research [8]