Scientist turned software engineer. He/him 🏹 Field archery 🐀 Rats 😷 COVID cautious 🏃 Parkrun https://medium.com/@davidallsopp @doublehelix@mastodon.social @doublehelix on the birdsitehttps://bsky.app/profile/doublehelix.bsky.socialhttps://bsky.app/profile/doublehelix.bsky.social/post/3mma4los7722zModerate Quality Fact: the sand battery does not actually contain sand (silica/quartz), but crushed soapstone (mostly talc) But these thermal batteries are cool, uh hot, anyway [contains quote post or other embedded content]19 May 2026 19:25 +0000at://did:plc:3a6jnf756mwkrqynhdy4yfta/app.bsky.feed.post/3mma4los7722zhttps://bsky.app/profile/doublehelix.bsky.social/post/3lmahch64cs2gPractically a dinosaur, famous for sticking its head in the sand, with unkempt plumage, bad attitude and a brain the size of a plum. And he's been bitten by an ostrich. [contains quote post or other embedded content]07 Apr 2025 17:10 +0000at://did:plc:3a6jnf756mwkrqynhdy4yfta/app.bsky.feed.post/3lmahch64cs2ghttps://bsky.app/profile/doublehelix.bsky.social/post/3lot6j5nttk2hSome old bags of builders' sand in my garden have turned into lush ferny 'bottle gardens'10 May 2025 14:44 +0000at://did:plc:3a6jnf756mwkrqynhdy4yfta/app.bsky.feed.post/3lot6j5nttk2hhttps://bsky.app/profile/doublehelix.bsky.social/post/3mma3j2ku2c2r"Wade Mode defaults the vehicle’s ride height to Very High and protects Cybertruck for up to approximately 32 in (815 mm) of water, driving at slow speeds (1-3 mph (2-5 km/h))... Do not disable Wade Mode until your vehicle is fully out of water." [contains quote post or other embedded content]19 May 2026 19:05 +0000at://did:plc:3a6jnf756mwkrqynhdy4yfta/app.bsky.feed.post/3mma3j2ku2c2rhttps://bsky.app/profile/doublehelix.bsky.social/post/3mm7fzjsyes2rHundreds of Watertown High School students walked out of class Wednesday to protest the school board's decision to ban the Wind Symphony, at the last moment after months of rehearsals, from performing this fantastic instrumental piece: [contains quote post or other embedded content]19 May 2026 12:41 +0000at://did:plc:3a6jnf756mwkrqynhdy4yfta/app.bsky.feed.post/3mm7fzjsyes2rhttps://bsky.app/profile/doublehelix.bsky.social/post/3mm7d64ooic2r [contains quote post or other embedded content]19 May 2026 11:50 +0000at://did:plc:3a6jnf756mwkrqynhdy4yfta/app.bsky.feed.post/3mm7d64ooic2r