Xiujun Ma retweeted
A dumbbell tower eats about 30 sq ft of floor.
One adjustable pair replaces 10-15 fixed pairs, for $120-400 instead of $800-1,200.
The one type to skip: generic twist-lock sets under $80. The mechanism typically fails within 6-18 months.
Xiujun Ma retweeted
The five racks actually worth buying under $300:
homegymfoundry.com/blog/best…
Xiujun Ma retweeted
We built a free calorie calculator for lifters.
TDEE plus protein/carb/fat targets, updating as you type. Runs on
Mifflin-St Jeor — the formula dietitians actually recommend — with
Harris-Benedict included if you want to compare. No signup, no email wall.
Link in the reply.
Xiujun Ma retweeted
Most home gym regret starts with buying before measuring.
We built a free 3D planner: pick your room size, drag in real equipment, get clearance warnings and a live floor-space readout.
Runs in the browser. No signup.
Xiujun Ma retweeted
Leaked DJI Osmo 360 II: same tiny cameras, but US regulatory battles may lock it out of the American market.
(1/2)
Xiujun Ma retweeted
DJI's Mini 4K just hit a record-low $209 on Prime Day — 30% off, $90 saved.
Real 4K, 3-axis gimbal, under 249g so no FAA registration.
The cheapest entry into 4K flying DJI's ever offered.
amzn.to/43MXWSt #ad
Xiujun Ma retweeted
DJI Osmo Pocket 4 Pro adds a 3x zoom lens with gorgeous bokeh — first dual-camera Pocket ever.
It's not a vlogging camera anymore; it's a pro tool that fits in your pocket.
(1/2)
Xiujun Ma retweeted
Open Source Does Not Imply Open Community #HackerNews
blog.feld.me/posts/2026/04/o…
Xiujun Ma retweeted
Job Postings for Software Engineers Are Rapidly Rising #HackerNews
citadelsecurities.com/news-a…
Xiujun Ma retweeted
Osmo Pocket 4 is LIVE — Full Specs Confirmed
✅ 1-inch CMOS sensor
✅ 4K/240fps slow motion
✅ 14-Stop Dynamic Range
✅ 10-bit D-Log Color
✅ 3-Axis Stabilization + Rotatable Touchscreen
✅ 2× Lossless Zoom
✅ 107GB Built-In Storage
✅ ActiveTrack 7.0
✅ OsmoAudio 4-Channel Output
✅ 240-min battery life
What we got right: 1-inch sensor ✅ 107GB ✅ 14-stop DR ✅
What we didn't: 8K (maxes at 4K/240fps) ❌ Dual camera ❌ Pro version ❌
Xiujun Ma retweeted
FreeBSD Laptop Compatibility: Top Laptops to Use with FreeBSD #HackerNews
freebsdfoundation.github.io/…
Xiujun Ma retweeted
The FCC’s drone ban is real — but not retroactive.
If your drone was already approved for U.S. sale, you can still fly it.
The real hit: future foreign-made drones, plus newer DJI gear, may never make it here.
(1/2)
Xiujun Ma retweeted
Leaked: DJI’s Avata 360 — hands-on photos and a Facebook Marketplace listing reveal DJI’s first 360° FPV drone with a rotatable camera.
Leakers peg a China debut next month, starting at CNY 2,988 (~$435); global launch may follow in early April.
(1/2)
Xiujun Ma retweeted
Back to FreeBSD: Part 1 #HackerNews
hypha.pub/back-to-freebsd-pa…
Xiujun Ma retweeted
🚨 PRICE DROP ALERT 🚨
Save nearly $190 on the DJI Osmo 360 Adventure Combo! 📉
Getting 8K 360° video, a 1-inch sensor, and 3 batteries for $510 is a steal (usually $700). Perfect setup for never missing a shot.
👇 Grab it before it’s gone:
amzn.to/45MWXTC #ad
#DJI #Osmo360 #CameraDeals #ContentCreator
