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 1.                                                                    Hitachi launches CO2 heat pump water heaters with solar-friendly tariff controls ( pv-magazine.com )         
     120 points by thelastgallon 3 hours ago | hide | 89 comments                                                                                                                   
                                                                                                                                                                                    
 2.                                                                    Show HN: The same nine streaming subscriptions cost $702/year more than in 2021 ( honestlyranked.com )       
     291 points by honestlyranked 4 hours ago | hide | 254 comments                                                                                                                 
                                                                                                                                                                                    
 3.                                                                    What algorithm did Windows XP use to choose your initial user picture? ( devblogs.microsoft.com/oldnewthing )
     197 points by soheilpro 5 hours ago | hide | 97 comments                                                                                                                       
                                                                                                                                                                                    
 4.                                                                    Tell HN: OpenAI keeps re-enabling the 'allow training' setting                                               
     65 points by jacquesm 36 minutes ago | hide | 18 comments                                                                                                                      
                                                                                                                                                                                    
 5.                                                                    List of references on Sony websites to players "owning" their digital games ( consumerrights.wiki )          
     90 points by haunter 1 hour ago | hide | 19 comments                                                                                                                           
                                                                                                                                                                                    
 6.                                                                    Who People Talk to When They're Struggling ( graphsaboutreligion.com )                                       
     23 points by toomuchtodo 1 hour ago | hide | 10 comments                                                                                                                       
                                                                                                                                                                                    
 7.                                                                    Rust Is Tier-1 Language at Microsoft ( rustfoundation.org )                                                  
     11 points by mmastrac 37 minutes ago | hide | discuss                                                                                                                          
                                                                                                                                                                                    
 8.                                                                    To write non-fiction, draw the trunk, then the rest of the tree ( devz.cl )                                  
     16 points by DanielVZ 2 hours ago | hide | 1 comment                                                                                                                           
                                                                                                                                                                                    
 9.                                                                    iPhone Duo ( apple.com )                                                                                     
     1292 points by thecosmicfrog 20 hours ago | hide | 2250 comments                                                                                                               
                                                                                                                                                                                    
10.                                                                    DeepSeek v4.1 Flash ( twitter.com/deepseek_ai )                                                              
     642 points by Liwink 8 hours ago | hide | 345 comments                                                                                                                         
                                                                                                                                                                                    
11.                                                                    Show HN: I couldn't afford interview prep, so I built a free alternative ( learningto.co )                   
     3 points by cdnsteve 6 minutes ago | hide | discuss                                                                                                                            
                                                                                                                                                                                    
12.                                                                    Another researcher says OpenAI trained on conversations, then claimed breakthrou ( bsky.app )                
     114 points by ColinWright 1 hour ago | hide | 45 comments                                                                                                                      
                                                                                                                                                                                    
13.                                                                    Show HN: What if the speed of light was 5 km/h? ( dmitrybrant.com )                                          
     474 points by dmitrybrant 12 hours ago | hide | 198 comments                                                                                                                   
                                                                                                                                                                                    
14.                                                                    Stockfish 19 ( stockfishchess.org )                                                                          
     146 points by atiedebee 6 hours ago | hide | 100 comments                                                                                                                      
                                                                                                                                                                                    
15.                                                                    Bending Spoons buying Miro for $1.355B ( bendingspoons.com )                                                 
     6 points by andygcook 16 minutes ago | hide | 1 comment                                                                                                                        
                                                                                                                                                                                    
16.                                                                    Liesegang Rings ( chillphysicsenjoyer.substack.com )                                                         
     14 points by surprisetalk 2 hours ago | hide | 1 comment                                                                                                                       
                                                                                                                                                                                    
17.                                                                    Shopify acquires Tailwind ( tailwindcss.com )                                                                
     1092 points by EdwinHoksberg 1 day ago | hide | 420 comments                                                                                                                   
                                                                                                                                                                                    
18.                                                                    What do Visa and Mastercard do? An intro to card networks ( tautology.town )                                 
     596 points by evakhoury 21 hours ago | hide | 362 comments                                                                                                                     
                                                                                                                                                                                    
19.                                                                    Thanks to Siri Recaps, your Apple Watch is always listening ( techradar.com )                                
     105 points by geox 3 hours ago | hide | 67 comments                                                                                                                            
                                                                                                                                                                                    
20.                                                                    Larger Pacific Striped Octopus ( wikipedia.org )                                                             
     101 points by olalonde 9 hours ago | hide | 50 comments                                                                                                                        
                                                                                                                                                                                    
21.                                                                    Object storage is all you need ( tigrisdata.com )                                                            
     43 points by jpsaccount 4 hours ago | hide | 27 comments                                                                                                                       
                                                                                                                                                                                    
22.                                                                    Growing proof that autonomous cars save lives ( ieee.org )                                                   
     394 points by bookofjoe 21 hours ago | hide | 685 comments                                                                                                                     
                                                                                                                                                                                    
23.                                                                    Show HN: Art – draw one stroke, let symmetry complete it ( mrdee.in )                                        
     37 points by cyb0rg0 5 hours ago | hide | 17 comments                                                                                                                          
                                                                                                                                                                                    
24.                                                                    No Man's Sky Cosmos ( nomanssky.com )                                                                        
     421 points by Limb 22 hours ago | hide | 425 comments                                                                                                                          
                                                                                                                                                                                    
25.                                                                    Samsung Debuts zHBM Prototype, Stacking Memory Directly on AI Accelerators ( thelec.net )                    
     42 points by peter_d_sherman 8 hours ago | hide | 8 comments                                                                                                                   
                                                                                                                                                                                    
26.                                                                    GPT-6 Astra, looped transformers, and hidden reasoning ( sebastianraschka.com )                              
     473 points by ModelForge 23 hours ago | hide | 154 comments                                                                                                                    
                                                                                                                                                                                    
27.                                                                    AirPods 5 ( apple.com )                                                                                      
     490 points by awad 20 hours ago | hide | 418 comments                                                                                                                          
                                                                                                                                                                                    
28.                                                                    iPhone 18 Pro and iPhone 18 Pro Max ( apple.com )                                                            
     392 points by meetpateltech 20 hours ago | hide | 437 comments                                                                                                                 
                                                                                                                                                                                    
29.                                                                    Automattic's board forces CEO Matt Mullenweg into leave of absence ( techcrunch.com )                        
     384 points by LeoPanthera 14 hours ago | hide | 253 comments                                                                                                                   
                                                                                                                                                                                    
30.                                                                    Aardman (Wallace and Gromit) Is Selling Its Original Movie Puppets ( gizmodo.com )                           
     72 points by Gaishan 13 hours ago | hide | 19 comments                                                                                                                         
                                                                                                                                                                                    
                                                                                                                                                                                    
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